USA: Pennsylvania
Counties
The population of all counties in Pennsylvania by census years.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Adams | County | 78,274 | 91,292 | 101,407 | 103,838 | → |
| Allegheny | County | 1,336,449 | 1,281,666 | 1,223,348 | 1,250,536 | → |
| Armstrong | County | 73,478 | 72,392 | 68,941 | 65,560 | → |
| Beaver | County | 186,093 | 181,412 | 170,539 | 168,229 | → |
| Bedford | County | 47,919 | 49,984 | 49,762 | 47,568 | → |
| Berks | County | 336,523 | 373,638 | 411,442 | 428,851 | → |
| Blair | County | 130,542 | 129,144 | 127,089 | 122,827 | → |
| Bradford | County | 60,967 | 62,761 | 62,622 | 59,968 | → |
| Bucks | County | 541,174 | 597,635 | 625,249 | 646,528 | → |
| Butler | County | 152,013 | 174,083 | 183,862 | 193,774 | → |
| Cambria | County | 163,029 | 152,598 | 143,679 | 133,478 | → |
| Cameron | County | 5,913 | 5,974 | 5,085 | 4,542 | → |
| Carbon | County | 56,846 | 58,802 | 65,249 | 64,753 | → |
| Centre | County | 123,786 | 135,758 | 153,990 | 158,163 | → |
| Chester | County | 376,396 | 433,501 | 498,886 | 534,415 | → |
| Clarion | County | 41,699 | 41,765 | 39,988 | 37,239 | → |
| Clearfield | County | 78,097 | 83,382 | 81,642 | 80,551 | → |
| Clinton | County | 37,182 | 37,914 | 39,238 | 37,444 | → |
| Columbia | County | 63,202 | 64,151 | 67,295 | 64,722 | → |
| Crawford | County | 86,169 | 90,366 | 88,765 | 83,938 | → |
| Cumberland | County | 195,257 | 213,674 | 235,406 | 259,479 | → |
| Dauphin | County | 237,813 | 251,798 | 268,100 | 286,402 | → |
| Delaware | County | 547,651 | 550,864 | 558,979 | 576,836 | → |
| Elk | County | 34,878 | 35,112 | 31,946 | 31,000 | → |
| Erie | County | 275,572 | 280,843 | 280,566 | 270,892 | → |
| Fayette | County | 145,351 | 148,644 | 136,606 | 128,825 | → |
| Forest | County | 4,802 | 4,946 | 7,716 | 6,973 | → |
| Franklin | County | 121,082 | 129,313 | 149,618 | 155,945 | → |
| Fulton | County | 13,837 | 14,261 | 14,845 | 14,564 | → |
| Greene | County | 39,550 | 40,672 | 38,686 | 35,953 | → |
| Huntingdon | County | 44,164 | 45,586 | 45,913 | 44,087 | → |
| Indiana | County | 89,994 | 89,605 | 88,880 | 83,233 | → |
| Jefferson | County | 46,083 | 45,932 | 45,200 | 44,501 | → |
| Juniata | County | 20,625 | 22,821 | 24,636 | 23,508 | → |
| Lackawanna | County | 219,039 | 213,295 | 214,437 | 215,918 | → |
| Lancaster | County | 422,822 | 470,658 | 519,445 | 552,989 | → |
| Lawrence | County | 96,246 | 94,643 | 91,108 | 86,071 | → |
| Lebanon | County | 113,744 | 120,327 | 133,568 | 143,253 | → |
| Lehigh | County | 291,130 | 312,090 | 349,497 | 374,571 | → |
| Luzerne | County | 328,149 | 319,250 | 320,918 | 325,613 | → |
| Lycoming | County | 118,710 | 120,044 | 116,111 | 114,189 | → |
| McKean | County | 47,131 | 45,936 | 43,450 | 40,430 | → |
| Mercer | County | 121,003 | 120,293 | 116,638 | 110,658 | → |
| Mifflin | County | 46,197 | 46,486 | 46,682 | 46,134 | → |
| Monroe | County | 95,709 | 138,687 | 169,842 | 168,309 | → |
| Montgomery | County | 678,111 | 750,097 | 799,874 | 856,541 | → |
| Montour | County | 17,735 | 18,236 | 18,267 | 18,145 | → |
| Northampton | County | 247,105 | 267,066 | 297,735 | 312,949 | → |
| Northumberland | County | 96,771 | 94,556 | 94,528 | 91,641 | → |
| Perry | County | 41,172 | 43,602 | 45,969 | 45,830 | → |
| Philadelphia | County | 1,585,577 | 1,517,550 | 1,526,006 | 1,603,793 | → |
| Pike | County | 27,966 | 46,302 | 57,369 | 58,546 | → |
| Potter | County | 16,717 | 18,080 | 17,457 | 16,397 | → |
| Schuylkill | County | 152,585 | 150,336 | 148,289 | 143,056 | → |
| Snyder | County | 36,680 | 37,546 | 39,702 | 39,734 | → |
| Somerset | County | 78,218 | 80,023 | 77,742 | 74,143 | → |
| Sullivan | County | 6,104 | 6,556 | 6,428 | 5,838 | → |
| Susquehanna | County | 40,380 | 42,238 | 43,356 | 38,434 | → |
| Tioga | County | 41,126 | 41,373 | 41,981 | 41,053 | → |
| Union | County | 36,176 | 41,624 | 44,947 | 42,681 | → |
| Venango | County | 59,381 | 57,565 | 54,984 | 50,462 | → |
| Warren | County | 45,050 | 43,863 | 41,815 | 38,585 | → |
| Washington | County | 204,584 | 202,897 | 207,820 | 209,369 | → |
| Wayne | County | 39,944 | 47,722 | 52,822 | 51,149 | → |
| Westmoreland | County | 370,321 | 369,993 | 365,169 | 354,672 | → |
| Wyoming | County | 28,076 | 28,080 | 28,276 | 26,072 | → |
| York | County | 339,574 | 381,751 | 434,972 | 456,441 | → |
| Pennsylvania | State | 11,881,643 | 12,281,054 | 12,702,379 | 13,002,788 |
Contents: Places
The population of all places in Pennsylvania by census years.
| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|---|
| Aaronsburg | Census-Designated Place | Centre | 308 | 485 | 613 | 593 | → |
| Aaronsburg | Census-Designated Place | Washington | 429 | 329 | 259 | 361 | → |
| Abbottstown | Borough | Adams | 546 | 880 | 1,012 | 1,022 | → |
| Ackermanville | Census-Designated Place | Northampton | 450 | 465 | 610 | 572 | → |
| Adamsburg | Borough | Westmoreland | 253 | 244 | 172 | 146 | → |
| Adamstown | Borough | Lancaster / Berks | 1,076 | 1,182 | 1,773 | 1,928 | → |
| Adamsville | Census-Designated Place | Crawford | 38 | 117 | 67 | 88 | → |
| Addison | Borough | Somerset | 212 | 226 | 207 | 166 | → |
| Akron | Borough | Lancaster | 3,878 | 4,039 | 3,884 | 4,157 | → |
| Alba | Borough | Bradford | 170 | 186 | 157 | 133 | → |
| Albion | Borough | Erie | 1,586 | 1,609 | 1,511 | 1,524 | → |
| Albrightsville | Census-Designated Place | Carbon | 91 | 103 | 202 | 138 | → |
| Alburtis | Borough | Lehigh | 1,415 | 2,117 | 2,355 | 2,593 | → |
| Aldan | Borough | Delaware | 4,545 | 4,355 | 4,147 | 4,258 | → |
| Alexandria | Borough | Huntingdon | 420 | 408 | 349 | 382 | → |
| Alfarata | Census-Designated Place | Mifflin | 55 | 259 | 149 | 154 | → |
| Aliquippa | City | Beaver | 13,532 | 11,612 | 9,425 | 9,245 | → |
| Alleghenyville | Census-Designated Place | Berks | 619 | 811 | 1,134 | 1,015 | → |
| Allenport | Census-Designated Place | Huntingdon | 607 | 481 | 648 | 572 | → |
| Allenport | Borough | Washington | 644 | 541 | 514 | 484 | → |
| Allensville | Census-Designated Place | Mifflin | 473 | 404 | 503 | 479 | → |
| Allentown | City | Lehigh | 105,719 | 106,661 | 118,018 | 125,855 | → |
| Allenwood | Census-Designated Place | Union | 254 | 197 | 321 | 334 | → |
| Allison | Census-Designated Place | Fayette | 612 | 544 | 625 | 503 | → |
| Allison Park | Census-Designated Place | Allegheny | 19,487 | 20,817 | 21,552 | 21,864 | → |
| Allport | Census-Designated Place | Clearfield | 70 | 93 | 264 | 230 | → |
| Almedia | Census-Designated Place | Columbia | 1,213 | 1,131 | 1,133 | 1,040 | → |
| Alsace Manor | Census-Designated Place | Berks | 369 | 180 | 478 | 480 | → |
| Altamont | Census-Designated Place | Schuylkill | 682 | 2,689 | 602 | 624 | → |
| Altoona | City | Blair | 52,406 | 50,244 | 45,967 | 43,951 | → |
| Alverda | Census-Designated Place | Indiana | 262 | 261 | 244 | 279 | → |
| Ambler | Borough | Montgomery | 6,594 | 6,394 | 6,398 | 6,809 | → |
| Ambridge | Borough | Beaver | 8,032 | 7,700 | 7,050 | 6,970 | → |
| Amity Gardens | Census-Designated Place | Berks | 2,714 | 3,370 | 3,402 | 3,715 | → |
| Ancient Oaks | Census-Designated Place | Lehigh | 2,807 | 3,161 | 6,661 | 6,995 | → |
| Annville | Census-Designated Place | Lebanon | 4,294 | 4,518 | 4,767 | 4,755 | → |
| Apollo | Borough | Armstrong | 1,986 | 1,792 | 1,647 | 1,606 | → |
| Applewold | Borough | Armstrong | 393 | 354 | 310 | 338 | → |
| Arcadia University | Census-Designated Place | Montgomery | ... | 731 | 595 | 758 | → |
| Archbald | Borough | Lackawanna | 6,147 | 6,382 | 6,991 | 7,303 | → |
| Ardmore | Census-Designated Place | Montgomery / Delaware | 12,646 | 12,616 | 12,455 | 13,566 | → |
| Arendtsville | Borough | Adams | 697 | 850 | 946 | 868 | → |
| Aristes | Census-Designated Place | Columbia | 164 | 230 | 311 | 256 | → |
| Arlington Heights | Census-Designated Place | Monroe | 4,768 | 5,132 | 6,333 | 6,331 | → |
| Armagh | Borough | Indiana | 104 | 134 | 122 | 102 | → |
| Arnold | City | Westmoreland | 6,033 | 5,682 | 5,153 | 4,773 | → |
| Arnold City | Census-Designated Place | Fayette | 683 | 389 | 498 | 462 | → |
| Arnot | Census-Designated Place | Tioga | 238 | 213 | 332 | 315 | → |
| Arona | Borough | Westmoreland | 393 | 420 | 370 | 253 | → |
| Ashland | Borough | Schuylkill / Columbia | 3,766 | 3,294 | 2,817 | 2,471 | → |
| Ashley | Borough | Luzerne | 3,229 | 2,866 | 2,797 | 2,593 | → |
| Ashville | Borough | Cambria | 306 | 267 | 230 | 212 | → |
| Aspers | Census-Designated Place | Adams | 310 | 395 | 478 | 486 | → |
| Aspinwall | Borough | Allegheny | 2,947 | 2,860 | 2,777 | 2,915 | → |
| Atglen | Borough | Chester | 825 | 1,211 | 1,408 | 1,311 | → |
| Athens | Borough | Bradford | 3,483 | 3,433 | 3,365 | 3,267 | → |
| Atkinson Mills | Census-Designated Place | Mifflin | 78 | 111 | 174 | 152 | → |
| Atlantic | Census-Designated Place | Crawford | 80 | 43 | 77 | 113 | → |
| Atlas | Census-Designated Place | Northumberland | 971 | 935 | 809 | 732 | → |
| Atlasburg | Census-Designated Place | Washington | 189 | 170 | 401 | 351 | → |
| Atwood | Borough | Armstrong | 128 | 129 | 107 | 110 | → |
| Auburn | Borough | Schuylkill | 909 | 839 | 731 | 671 | → |
| Audubon | Census-Designated Place | Montgomery | 6,328 | 6,549 | 8,433 | 8,688 | → |
| Austin | Borough | Potter | 569 | 637 | 559 | 481 | → |
| Avalon | Borough | Allegheny | 6,205 | 5,280 | 4,716 | 4,775 | → |
| Avella | Census-Designated Place | Washington | 640 | 638 | 804 | 782 | → |
| Avis | Borough | Clinton | 1,512 | 1,490 | 1,488 | 1,474 | → |
| Avoca | Borough | Luzerne | 2,892 | 2,829 | 2,636 | 2,507 | → |
| Avon | Census-Designated Place | Lebanon | 1,482 | 1,551 | 1,667 | 1,676 | → |
| Avondale | Borough | Chester | 1,331 | 1,110 | 1,265 | 1,271 | → |
| Avonia | Census-Designated Place | Erie | 1,336 | 1,331 | 1,205 | 1,217 | → |
| Avonmore | Borough | Westmoreland | 1,098 | 878 | 1,014 | 901 | → |
| Baden | Borough | Beaver | 5,017 | 4,381 | 4,127 | 3,908 | → |
| Baidland | Census-Designated Place | Washington | 1,748 | 1,709 | 1,686 | 1,509 | → |
| Baileyville | Census-Designated Place | Centre | 97 | 85 | 201 | 217 | → |
| Bainbridge | Census-Designated Place | Lancaster | 1,035 | 1,133 | 1,355 | 1,536 | → |
| Bairdford | Census-Designated Place | Allegheny | 741 | 781 | 817 | 855 | → |
| Bakerstown | Census-Designated Place | Allegheny | 1,030 | 1,518 | 1,898 | 2,745 | → |
| Bala Cynwyd | Census-Designated Place | Montgomery | 7,724 | 7,789 | 7,721 | 9,285 | → |
| Bald Eagle | Census-Designated Place | Blair | 142 | 173 | 190 | 242 | → |
| Baldwin | Borough | Allegheny | 21,583 | 19,917 | 19,967 | 21,520 | → |
| Bally | Borough | Berks | 998 | 1,052 | 1,068 | 1,221 | → |
| Bangor | Borough | Northampton | 5,554 | 5,312 | 5,260 | 5,195 | → |
| Barkeyville | Borough | Venango | 274 | 250 | 219 | 188 | → |
| Barrville | Census-Designated Place | Mifflin | 83 | 81 | 160 | 179 | → |
| Bath | Borough | Northampton | 2,355 | 2,722 | 2,693 | 2,824 | → |
| Baumstown | Census-Designated Place | Berks | 634 | 590 | 422 | 346 | → |
| Beallsville | Borough | Washington | 537 | 491 | 478 | 393 | → |
| Bear Creek Village | Borough | Luzerne | 185 | 283 | 249 | 290 | → |
| Bear Lake | Borough | Warren | 193 | 212 | 164 | 149 | → |
| Bear Rocks | Census-Designated Place | Fayette | 834 | 1,256 | 1,048 | 1,005 | → |
| Beaver | Borough | Beaver | 5,023 | 4,783 | 4,525 | 4,436 | → |
| Beaver Falls | City | Beaver | 10,867 | 9,914 | 8,994 | 9,003 | → |
| Beaver Meadows | Borough | Carbon | 1,014 | 984 | 864 | 896 | → |
| Beaver Springs | Census-Designated Place | Snyder | 412 | 475 | 674 | 691 | → |
| Beaverdale | Census-Designated Place | Cambria | 1,341 | 1,242 | 1,035 | 959 | → |
| Beavertown | Census-Designated Place | Blair | ... | ... | ... | 40 | → |
| Beavertown | Borough | Snyder | 918 | 884 | 955 | 997 | → |
| Bechtelsville | Borough | Berks | 860 | 888 | 946 | 876 | → |
| Bedford | Borough | Bedford | 3,137 | 3,181 | 2,842 | 2,871 | → |
| Beech Creek | Borough | Clinton | 713 | 813 | 704 | 739 | → |
| Beech Mountain Lakes | Census-Designated Place | Luzerne | 345 | 938 | 1,693 | 2,157 | → |
| Belfast | Census-Designated Place | Northampton | 1,168 | 1,391 | 1,346 | 1,279 | → |
| Bell Acres | Borough | Allegheny | 1,429 | 1,337 | 1,386 | 1,506 | → |
| Belle Vernon | Borough | Fayette | 1,224 | 1,194 | 1,088 | 1,026 | → |
| Bellefonte | Borough | Centre | 6,307 | 6,403 | 6,188 | 6,076 | → |
| Belleville | Census-Designated Place | Mifflin | 1,796 | 1,685 | 1,827 | 1,947 | → |
| Bellevue | Borough | Allegheny | 8,893 | 8,769 | 8,353 | 8,314 | → |
| Bellwood | Borough | Blair | 2,005 | 2,022 | 1,851 | 1,815 | → |
| Belmont | Census-Designated Place | Cambria | 3,184 | 2,846 | 2,784 | 2,751 | → |
| Ben Avon | Borough | Allegheny | 2,064 | 1,930 | 1,778 | 1,915 | → |
| Ben Avon Heights | Borough | Allegheny | 370 | 392 | 373 | 399 | → |
| Bendersville | Borough | Adams | 588 | 562 | 636 | 738 | → |
| Benson | Borough | Somerset | 278 | 188 | 201 | 185 | → |
| Bentleyville | Borough | Washington | 2,632 | 2,733 | 2,580 | 2,366 | → |
| Benton | Borough | Columbia | 950 | 1,100 | 827 | 822 | → |
| Berlin | Borough | Somerset | 2,129 | 2,193 | 2,089 | 1,999 | → |
| Bernville | Borough | Berks | 798 | 871 | 944 | 905 | → |
| Berrysburg | Borough | Dauphin | 380 | 345 | 368 | 325 | → |
| Berwick | Borough | Columbia | 10,979 | 10,951 | 10,476 | 10,345 | → |
| Berwyn | Census-Designated Place | Chester | 3,820 | 3,675 | 3,631 | 3,775 | → |
| Bessemer | Borough | Lawrence | 1,198 | 1,179 | 1,109 | 1,074 | → |
| Bethany | Borough | Wayne | 238 | 290 | 238 | 241 | → |
| Bethel | Census-Designated Place | Berks | 283 | 413 | 499 | 460 | → |
| Bethel Park | Municipality | Allegheny | 33,783 | 33,468 | 32,385 | 33,565 | → |
| Bethlehem | City | Northampton / Lehigh | 71,804 | 70,966 | 74,964 | 75,795 | → |
| Beurys Lake | Census-Designated Place | Schuylkill | 85 | 133 | 124 | 132 | → |
| Big Bass Lake | Census-Designated Place | Lackawanna / Wayne | 711 | 852 | 1,270 | 1,337 | → |
| Big Beaver | Borough | Beaver | 2,301 | 2,180 | 1,948 | 1,874 | → |
| Big Run | Borough | Jefferson | 699 | 682 | 624 | 637 | → |
| Bigler | Census-Designated Place | Clearfield | 319 | 303 | 398 | 356 | → |
| Biglerville | Borough | Adams | 966 | 1,122 | 1,200 | 1,225 | → |
| Birchwood Lakes | Census-Designated Place | Pike | 671 | 1,397 | 1,386 | 1,460 | → |
| Bird-in-Hand | Census-Designated Place | Lancaster | 197 | 198 | 402 | 427 | → |
| Birdsboro | Borough | Berks | 4,281 | 5,043 | 5,124 | 5,108 | → |
| Birmingham | Borough | Huntingdon | 109 | 104 | 90 | 88 | → |
| Black Lick | Census-Designated Place | Indiana | 1,365 | 1,438 | 1,462 | 1,268 | → |
| Blain | Borough | Perry | 266 | 283 | 259 | 220 | → |
| Blairsville | Borough | Indiana | 3,591 | 3,661 | 3,405 | 3,218 | → |
| Blakely | Borough | Lackawanna | 7,281 | 7,163 | 6,551 | 6,659 | → |
| Blanchard | Census-Designated Place | Centre | 510 | 621 | 740 | 597 | → |
| Blandburg | Census-Designated Place | Cambria | 317 | 316 | 402 | 348 | → |
| Blandon | Census-Designated Place | Berks | 2,562 | 4,910 | 7,152 | 7,289 | → |
| Blawnox | Borough | Allegheny | 1,603 | 1,454 | 1,441 | 1,456 | → |
| Bloomfield | Borough | Perry | 886 | 1,074 | 1,246 | 1,232 | → |
| Blooming Valley | Borough | Crawford | 391 | 378 | 337 | 342 | → |
| Bloomsburg | Town | Columbia | 12,463 | 12,388 | 14,863 | 12,718 | → |
| Blossburg | Borough | Tioga | 1,571 | 1,756 | 1,538 | 1,536 | → |
| Blue Ball | Census-Designated Place | Lancaster | 737 | 744 | 1,031 | 1,084 | → |
| Blue Bell | Census-Designated Place | Montgomery | 6,091 | 6,395 | 6,067 | 6,506 | → |
| Blue Knob | Census-Designated Place | Blair | ... | ... | ... | 56 | → |
| Blue Ridge Summit | Census-Designated Place | Franklin | 831 | 816 | 891 | 887 | → |
| Boalsburg | Census-Designated Place | Centre | 3,193 | 3,578 | 3,722 | 4,577 | → |
| Bobtown | Census-Designated Place | Greene | 763 | 681 | 757 | 701 | → |
| Boiling Springs | Census-Designated Place | Cumberland | 2,264 | 2,769 | 3,225 | 3,449 | → |
| Bolivar | Borough | Westmoreland | 544 | 521 | 465 | 435 | → |
| Bonneauville | Borough | Adams | 1,286 | 1,371 | 1,812 | 1,759 | → |
| Boothwyn | Census-Designated Place | Delaware | 5,069 | 5,206 | 4,933 | 4,968 | → |
| Boston | Census-Designated Place | Allegheny | 478 | 461 | 545 | 549 | → |
| Boswell | Borough | Somerset | 1,498 | 1,361 | 1,277 | 1,223 | → |
| Bowers | Census-Designated Place | Berks | 316 | 276 | 326 | 355 | → |
| Bowmanstown | Borough | Carbon | 907 | 892 | 909 | 886 | → |
| Bowmansville | Census-Designated Place | Lancaster | 1,354 | 2,220 | 2,563 | 2,989 | → |
| Boyertown | Borough | Berks | 3,773 | 3,954 | 4,065 | 4,277 | → |
| Brackenridge | Borough | Allegheny | 3,711 | 3,553 | 3,256 | 3,244 | → |
| Braddock | Borough | Allegheny | 4,575 | 2,912 | 2,173 | 1,722 | → |
| Braddock Hills | Borough | Allegheny | 2,147 | 1,979 | 1,854 | 1,734 | → |
| Bradenville | Census-Designated Place | Westmoreland | 489 | 450 | 545 | 487 | → |
| Bradford | City | McKean | 9,684 | 9,228 | 8,800 | 7,848 | → |
| Bradford Woods | Borough | Allegheny | 1,325 | 1,155 | 1,171 | 1,187 | → |
| Branchdale | Census-Designated Place | Schuylkill | 513 | 411 | 388 | 328 | → |
| Brandonville | Census-Designated Place | Schuylkill | 243 | 217 | 197 | 180 | → |
| Brave | Census-Designated Place | Greene | 115 | 152 | 201 | 142 | → |
| Breinigsville | Census-Designated Place | Lehigh | 1,606 | 1,710 | 4,138 | 7,495 | → |
| Brentwood | Borough | Allegheny | 10,869 | 10,462 | 9,634 | 10,092 | → |
| Bressler | Census-Designated Place | Dauphin | 1,353 | 1,388 | 1,437 | 1,512 | → |
| Briar Creek | Borough | Columbia | 618 | 659 | 662 | 598 | → |
| Brickerville | Census-Designated Place | Lancaster | 1,268 | 1,287 | 1,309 | 1,277 | → |
| Bridgeport | Borough | Montgomery | 4,385 | 4,398 | 4,555 | 5,019 | → |
| Bridgeville | Borough | Allegheny | 5,432 | 5,423 | 5,087 | 4,801 | → |
| Bridgewater | Borough | Beaver | 710 | 741 | 709 | 745 | → |
| Brisbin | Borough | Clearfield | 369 | 413 | 413 | 423 | → |
| Bristol | Borough | Bucks | 10,364 | 10,038 | 9,726 | 9,859 | → |
| Brittany Farms-The Highlands | Census-Designated Place | Bucks | 2,747 | 3,268 | 3,695 | 4,175 | → |
| Broad Top City | Borough | Huntingdon | 331 | 384 | 452 | 371 | → |
| Brockway | Borough | Jefferson | 2,196 | 2,590 | 2,112 | 2,280 | → |
| Brodheadsville | Census-Designated Place | Monroe | 1,389 | 1,637 | 1,800 | 1,700 | → |
| Brookhaven | Borough | Delaware | 8,579 | 7,995 | 8,012 | 8,301 | → |
| Brooks Mill | Census-Designated Place | Blair | 97 | 74 | 44 | 94 | → |
| Brookville | Borough | Jefferson | 4,273 | 4,293 | 3,930 | 3,994 | → |
| Broomall | Census-Designated Place | Delaware | 10,930 | 11,046 | 10,789 | 11,718 | → |
| Brownstown | Borough | Cambria | 927 | 887 | 746 | 694 | → |
| Brownstown | Census-Designated Place | Lancaster | 2,516 | 2,748 | 2,816 | 3,081 | → |
| Brownsville | Borough | Fayette | 3,224 | 2,850 | 2,344 | 2,179 | → |
| Browntown | Census-Designated Place | Luzerne | 1,392 | 1,410 | 1,418 | 1,316 | → |
| Bruin | Borough | Butler | 602 | 537 | 528 | 419 | → |
| Bryn Athyn | Borough | Montgomery | 1,203 | 1,310 | 1,292 | 1,271 | → |
| Bryn Mawr | Census-Designated Place | Montgomery / Delaware | 5,286 | 6,422 | 5,844 | 5,879 | → |
| Buck Run | Census-Designated Place | Schuylkill | 176 | 203 | 176 | 180 | → |
| Buckhorn | Census-Designated Place | Columbia | 177 | 176 | 318 | 332 | → |
| Buffington | Census-Designated Place | Fayette | 598 | 355 | 292 | 298 | → |
| Bulger | Census-Designated Place | Washington | 281 | 335 | 407 | 379 | → |
| Burgettstown | Borough | Washington | 1,827 | 1,528 | 1,383 | 1,427 | → |
| Burlington | Borough | Bradford | 256 | 179 | 156 | 144 | → |
| Burnham | Borough | Mifflin | 2,266 | 2,156 | 2,052 | 1,990 | → |
| Burnside | Borough | Clearfield | 350 | 334 | 234 | 188 | → |
| Butler | City | Butler | 15,790 | 15,127 | 13,756 | 13,497 | → |
| Byrnedale | Census-Designated Place | Elk | 302 | 330 | 427 | 382 | → |
| Cairnbrook | Census-Designated Place | Somerset | 586 | 526 | 520 | 505 | → |
| California | Borough | Washington | 5,719 | 5,250 | 6,783 | 5,366 | → |
| Callensburg | Borough | Clarion | 205 | 188 | 208 | 146 | → |
| Callery | Borough | Butler | 425 | 454 | 394 | 359 | → |
| Callimont | Borough | Somerset | 55 | 59 | 41 | 55 | → |
| Caln | Census-Designated Place | Chester | 1,621 | 1,542 | 1,519 | 1,494 | → |
| Calumet | Census-Designated Place | Westmoreland | 1,201 | 1,356 | 1,241 | 1,145 | → |
| Cambridge Springs | Borough | Crawford | 1,865 | 2,355 | 2,595 | 2,582 | → |
| Camp Hill | Borough | Cumberland | 7,849 | 7,521 | 7,897 | 8,114 | → |
| Campbelltown | Census-Designated Place | Lebanon | 1,879 | 2,891 | 4,271 | 5,922 | → |
| Canadohta Lake | Census-Designated Place | Crawford | 480 | 572 | 516 | 503 | → |
| Canan Station | Census-Designated Place | Blair | 67 | 54 | 53 | 101 | → |
| Canoe Creek | Census-Designated Place | Blair | 37 | 28 | 24 | 66 | → |
| Canonsburg | Borough | Washington | 9,095 | 8,572 | 9,020 | 9,756 | → |
| Canton | Borough | Bradford | 1,996 | 1,884 | 1,964 | 1,726 | → |
| Carbondale | City | Lackawanna | 10,760 | 9,645 | 8,891 | 8,817 | → |
| Carlisle | Borough | Cumberland | 18,384 | 17,890 | 18,699 | 20,117 | → |
| Carlisle Barracks | Census-Designated Place | Cumberland | 955 | 947 | 944 | 938 | → |
| Carmichaels | Borough | Greene | 563 | 517 | 479 | 426 | → |
| Carnegie | Borough | Allegheny | 9,092 | 8,344 | 7,984 | 8,132 | → |
| Carnot-Moon | Census-Designated Place | Allegheny | 10,586 | 10,637 | 11,372 | 13,151 | → |
| Carroll Valley | Borough | Adams | 1,485 | 3,272 | 3,873 | 3,941 | → |
| Carrolltown | Borough | Cambria | 1,311 | 1,062 | 854 | 1,040 | → |
| Carson Valley | Census-Designated Place | Blair | ... | 35 | 33 | 134 | → |
| Casanova | Census-Designated Place | Centre | 56 | 162 | 117 | 123 | → |
| Cashtown | Census-Designated Place | Adams | 425 | 482 | 459 | 453 | → |
| Cassandra | Borough | Cambria | 192 | 142 | 147 | 159 | → |
| Casselman | Borough | Somerset | 89 | 97 | 94 | 101 | → |
| Cassville | Borough | Huntingdon | 164 | 260 | 143 | 137 | → |
| Castanea | Census-Designated Place | Clinton | 1,123 | 1,189 | 1,125 | 1,047 | → |
| Castle Shannon | Borough | Allegheny | 9,079 | 8,593 | 8,318 | 8,245 | → |
| Catasauqua | Borough | Lehigh | 6,660 | 6,526 | 6,438 | 6,518 | → |
| Catawissa | Borough | Columbia | 1,712 | 1,565 | 1,553 | 1,539 | → |
| Cecil-Bishop | Census-Designated Place | Washington | 2,888 | 2,819 | 2,659 | 2,730 | → |
| Cedar Crest | Census-Designated Place | Mifflin | 188 | 186 | 195 | 157 | → |
| Cementon | Census-Designated Place | Lehigh | 1,298 | 1,380 | 1,538 | 1,657 | → |
| Centerport | Borough | Berks | 266 | 317 | 345 | 314 | → |
| Centerville | Borough | Crawford | 249 | 247 | 218 | 177 | → |
| Centerville | Borough | Washington | 3,783 | 3,415 | 3,274 | 3,257 | → |
| Central City | Borough | Somerset | 1,238 | 1,253 | 1,120 | 1,002 | → |
| Centralia | Borough | Columbia | 63 | 30 | 10 | 4 | → |
| Centre Hall | Borough | Centre | 1,199 | 1,171 | 1,250 | 1,271 | → |
| Cetronia | Census-Designated Place | Lehigh | 2,050 | 2,036 | 2,225 | 2,421 | → |
| Chadds Ford | Census-Designated Place | Chester / Delaware | 830 | 770 | 668 | 1,476 | → |
| Chalfant | Borough | Allegheny | 979 | 888 | 800 | 747 | → |
| Chalfont | Borough | Bucks | 2,924 | 3,897 | 4,022 | 4,254 | → |
| Chalkhill | Census-Designated Place | Fayette | 129 | 73 | 141 | 127 | → |
| Chambersburg | Borough | Franklin | 16,615 | 18,016 | 20,203 | 21,893 | → |
| Chapman | Borough | Northampton | 247 | 237 | 193 | 220 | → |
| Charleroi | Borough | Washington | 5,157 | 4,857 | 4,098 | 4,239 | → |
| Charlottsville | Census-Designated Place | Blair | 44 | 33 | 48 | 48 | → |
| Chase | Census-Designated Place | Luzerne | 906 | 786 | 978 | 928 | → |
| Cheltenham Village | Census-Designated Place | Montgomery | 1,940 | 2,084 | 2,009 | 1,993 | → |
| Cherry Tree | Borough | Indiana | 445 | 449 | 362 | 272 | → |
| Cherry Valley | Borough | Butler | 96 | 72 | 66 | 59 | → |
| Cherryville | Census-Designated Place | Northampton | 1,231 | 1,287 | 1,580 | 1,618 | → |
| Chest Springs | Borough | Cambria | 166 | 113 | 149 | 141 | → |
| Chester | City | Delaware | 42,072 | 37,019 | 33,889 | 32,724 | → |
| Chester Heights | Borough | Delaware | 2,323 | 2,517 | 2,504 | 2,909 | → |
| Chester Hill | Borough | Clearfield | 942 | 917 | 883 | 817 | → |
| Chesterbrook | Census-Designated Place | Chester | 4,561 | 4,625 | 4,589 | 5,610 | → |
| Chestnut Hill | Census-Designated Place | Northampton | 2,602 | 3,770 | 6,339 | 6,689 | → |
| Cheswick | Borough | Allegheny | 1,993 | 1,883 | 1,739 | 1,672 | → |
| Chevy Chase Heights | Census-Designated Place | Indiana | 1,535 | 1,511 | 1,502 | 1,229 | → |
| Chewton | Census-Designated Place | Lawrence | 532 | 467 | 488 | 395 | → |
| Cheyney University | Census-Designated Place | Chester / Delaware | 832 | 708 | 988 | 565 | → |
| Chicora | Borough | Butler | 1,068 | 1,034 | 1,026 | 918 | → |
| Chinchilla | Census-Designated Place | Lackawanna | 2,069 | 2,096 | 2,098 | 1,959 | → |
| Christiana | Borough | Lancaster | 1,038 | 1,121 | 1,168 | 1,109 | → |
| Church Hill | Census-Designated Place | Mifflin | 1,037 | 1,385 | 1,627 | 1,711 | → |
| Churchill | Borough | Allegheny | 3,927 | 3,519 | 3,033 | 3,156 | → |
| Churchtown | Census-Designated Place | Lancaster | 463 | 470 | 470 | 417 | → |
| Churchville | Census-Designated Place | Bucks | 5,208 | 5,425 | 5,286 | 5,348 | → |
| Clairton | City | Allegheny | 9,653 | 8,373 | 6,798 | 6,183 | → |
| Clappertown | Census-Designated Place | Blair | 86 | 55 | 54 | 98 | → |
| Clarence | Census-Designated Place | Centre | 644 | 660 | 696 | 604 | → |
| Clarendon | Borough | Warren | 654 | 513 | 450 | 406 | → |
| Clarion | Borough | Clarion | 6,580 | 6,189 | 5,271 | 3,931 | → |
| Clark | Borough | Mercer | 607 | 635 | 640 | 576 | → |
| Clarks Green | Borough | Lackawanna | 1,604 | 1,658 | 1,477 | 1,528 | → |
| Clarks Summit | Borough | Lackawanna | 5,426 | 5,164 | 5,159 | 5,071 | → |
| Clarksville | Borough | Greene | 211 | 233 | 230 | 194 | → |
| Clay | Census-Designated Place | Lancaster | 1,198 | 931 | 1,559 | 1,869 | → |
| Claysburg | Census-Designated Place | Blair | 971 | 1,282 | 1,391 | 1,291 | → |
| Claysville | Borough | Washington | 941 | 745 | 828 | 730 | → |
| Clearfield | Borough | Clearfield | 6,853 | 6,606 | 6,209 | 5,963 | → |
| Cleona | Borough | Lebanon | 1,951 | 2,150 | 2,080 | 2,013 | → |
| Clifton Heights | Borough | Delaware | 7,241 | 6,771 | 6,648 | 6,852 | → |
| Clinton | Census-Designated Place | Allegheny | 142 | 114 | 434 | 905 | → |
| Clintondale | Census-Designated Place | Clinton | 114 | 40 | 29 | 110 | → |
| Clintonville | Borough | Venango | 520 | 528 | 508 | 439 | → |
| Clymer | Borough | Indiana | 1,515 | 1,561 | 1,358 | 1,321 | → |
| Coal Center | Borough | Washington | 184 | 129 | 139 | 108 | → |
| Coaldale | Borough | Bedford | 135 | 144 | 158 | 129 | → |
| Coaldale | Borough | Schuylkill | 2,530 | 2,308 | 2,280 | 2,427 | → |
| Coalmont | Borough | Huntingdon | 109 | 128 | 106 | 91 | → |
| Coalport | Borough | Clearfield | 573 | 697 | 523 | 429 | → |
| Coatesville | City | Chester | 11,129 | 10,795 | 13,071 | 13,345 | → |
| Coburn | Census-Designated Place | Centre | 144 | 145 | 236 | 210 | → |
| Cochranton | Borough | Crawford | 1,174 | 1,147 | 1,136 | 1,120 | → |
| Cochranville | Census-Designated Place | Chester | 437 | 364 | 668 | 631 | → |
| Cokeburg | Borough | Washington | 735 | 698 | 632 | 620 | → |
| Collegeville | Borough | Montgomery | 4,086 | 5,402 | 5,089 | 5,041 | → |
| Collingdale | Borough | Delaware | 9,265 | 8,724 | 8,777 | 8,904 | → |
| Collinsburg | Census-Designated Place | Westmoreland | 1,289 | 1,453 | 1,125 | 1,048 | → |
| Colonial Park | Census-Designated Place | Dauphin | 14,893 | 14,521 | 14,497 | 16,243 | → |
| Colony Park | Census-Designated Place | Berks | 952 | 766 | 1,076 | 1,269 | → |
| Columbia | Borough | Lancaster | 10,848 | 10,288 | 10,391 | 10,229 | → |
| Columbus | Census-Designated Place | Warren | 481 | 461 | 824 | 678 | → |
| Colver | Census-Designated Place | Cambria | 1,024 | 1,035 | 959 | 904 | → |
| Colwyn | Borough | Delaware | 2,629 | 2,429 | 2,550 | 2,473 | → |
| Commodore | Census-Designated Place | Indiana | 370 | 365 | 358 | 284 | → |
| Conashaugh Lakes | Census-Designated Place | Pike | 200 | 499 | 1,294 | 1,425 | → |
| Conestoga | Census-Designated Place | Lancaster | 1,003 | 737 | 1,258 | 1,163 | → |
| Confluence | Borough | Somerset | 873 | 857 | 780 | 725 | → |
| Conneaut Lake | Borough | Crawford | 707 | 688 | 655 | 626 | → |
| Conneaut Lakeshore | Census-Designated Place | Crawford | 1,960 | 2,502 | 2,395 | 2,307 | → |
| Conneautville | Borough | Crawford | 821 | 829 | 767 | 735 | → |
| Connellsville | City | Fayette | 9,281 | 9,067 | 7,752 | 7,034 | → |
| Connoquenessing | Borough | Butler | 504 | 547 | 522 | 670 | → |
| Conshohocken | Borough | Montgomery | 8,074 | 7,606 | 7,846 | 9,261 | → |
| Continental Courts | Census-Designated Place | Centre | ... | 690 | 599 | 705 | → |
| Conway | Borough | Beaver | 2,466 | 2,291 | 2,176 | 2,173 | → |
| Conyngham | Borough | Luzerne | 2,073 | 1,957 | 1,912 | 1,821 | → |
| Coopersburg | Borough | Lehigh | 2,725 | 2,553 | 2,222 | 2,448 | → |
| Cooperstown | Borough | Venango | 513 | 456 | 462 | 398 | → |
| Coplay | Borough | Lehigh | 3,263 | 3,387 | 3,140 | 3,344 | → |
| Coral | Census-Designated Place | Indiana | 380 | 334 | 325 | 288 | → |
| Coraopolis | Borough | Allegheny | 6,589 | 6,119 | 5,642 | 5,554 | → |
| Cornwall | Borough | Lebanon | 3,274 | 3,487 | 4,115 | 4,603 | → |
| Cornwells Heights | Census-Designated Place | Bucks | 1,545 | 1,443 | 1,391 | 1,251 | → |
| Corry | City | Erie | 7,216 | 6,857 | 6,609 | 6,209 | → |
| Corsica | Borough | Jefferson | 337 | 353 | 357 | 320 | → |
| Cotton Town | Census-Designated Place | Blair | ... | ... | ... | 22 | → |
| Coudersport | Borough | Potter | 2,912 | 2,652 | 2,542 | 2,381 | → |
| Courtdale | Borough | Luzerne | 746 | 797 | 721 | 691 | → |
| Cove Forge | Census-Designated Place | Blair | 31 | 87 | 3 | 73 | → |
| Crabtree | Census-Designated Place | Westmoreland | 335 | 320 | 277 | 201 | → |
| Crafton | Borough | Allegheny | 7,210 | 6,706 | 5,994 | 6,099 | → |
| Cranesville | Borough | Erie | 599 | 600 | 638 | 571 | → |
| Creekside | Borough | Indiana | 337 | 323 | 309 | 285 | → |
| Crenshaw | Census-Designated Place | Jefferson | 307 | 298 | 468 | 423 | → |
| Cresson | Borough | Cambria | 1,849 | 1,621 | 1,707 | 1,525 | → |
| Cressona | Borough | Schuylkill | 1,662 | 1,653 | 1,639 | 1,598 | → |
| Cross Creek | Census-Designated Place | Washington | 142 | 44 | 137 | 121 | → |
| Cross Keys | Census-Designated Place | Blair | 495 | 414 | 422 | 435 | → |
| Cross Roads | Borough | York | 285 | 519 | 511 | 521 | → |
| Crown | Census-Designated Place | Clarion | 92 | 90 | 183 | 201 | → |
| Croydon | Census-Designated Place | Bucks | 9,967 | 9,993 | 9,950 | 10,014 | → |
| Crucible | Census-Designated Place | Greene | 722 | 643 | 725 | 673 | → |
| Culp | Census-Designated Place | Blair | ... | ... | ... | 30 | → |
| Cumbola | Census-Designated Place | Schuylkill | 309 | 416 | 443 | 371 | → |
| Curryville | Census-Designated Place | Blair | ... | ... | 10 | 111 | → |
| Curtisville | Census-Designated Place | Allegheny | 1,285 | 1,173 | 1,064 | 1,097 | → |
| Curwensville | Borough | Clearfield | 2,928 | 2,637 | 2,540 | 2,566 | → |
| Daisytown | Borough | Cambria | 376 | 357 | 323 | 292 | → |
| Dale | Borough | Cambria | 1,629 | 1,380 | 1,242 | 990 | → |
| Dallas | Borough | Luzerne | 2,562 | 2,625 | 2,812 | 2,683 | → |
| Dallastown | Borough | York | 4,196 | 4,173 | 3,917 | 4,191 | → |
| Dalmatia | Census-Designated Place | Northumberland | 393 | 361 | 488 | 475 | → |
| Dalton | Borough | Lackawanna | 1,406 | 1,352 | 1,243 | 1,276 | → |
| Danville | Borough | Montour | 5,164 | 4,892 | 4,701 | 4,244 | → |
| Darby | Borough | Delaware | 10,951 | 10,324 | 10,700 | 10,711 | → |
| Darlington | Borough | Beaver | 238 | 269 | 253 | 250 | → |
| Dauberville | Census-Designated Place | Berks | 839 | 924 | 848 | 762 | → |
| Dauphin | Borough | Dauphin | 823 | 779 | 791 | 795 | → |
| Davidsville | Census-Designated Place | Somerset | 1,217 | 1,119 | 1,130 | 1,145 | → |
| Dawson | Borough | Fayette | 532 | 442 | 367 | 352 | → |
| Dayton | Borough | Armstrong | 572 | 541 | 553 | 551 | → |
| Deemston | Borough | Washington | 812 | 812 | 719 | 753 | → |
| Deer Lake | Census-Designated Place | Fayette | 435 | 469 | 495 | 482 | → |
| Deer Lake | Borough | Schuylkill | 551 | 529 | 674 | 675 | → |
| Defiance | Census-Designated Place | Bedford | 151 | 132 | 239 | 196 | → |
| Delano | Census-Designated Place | Schuylkill | 412 | 377 | 342 | 288 | → |
| Delaware Water Gap | Borough | Monroe | 736 | 776 | 748 | 675 | → |
| Delmont | Borough | Westmoreland | 2,063 | 2,569 | 2,661 | 2,617 | → |
| Delta | Borough | York | 761 | 740 | 728 | 706 | → |
| Denver | Borough | Lancaster | 2,833 | 3,423 | 3,863 | 3,795 | → |
| Derry | Borough | Westmoreland | 2,988 | 3,048 | 2,681 | 2,644 | → |
| DeSales University | Census-Designated Place | Lehigh | 691 | 1,097 | 953 | 985 | → |
| Devon | Census-Designated Place | Chester | 1,206 | 1,392 | 1,515 | 1,580 | → |
| Dewart | Census-Designated Place | Northumberland | 1,112 | 1,240 | 1,471 | 1,385 | → |
| Dickson City | Borough | Lackawanna | 6,241 | 6,211 | 6,068 | 6,034 | → |
| Dillsburg | Borough | York | 1,796 | 2,060 | 2,584 | 2,634 | → |
| Dilworthtown | Census-Designated Place | Chester / Delaware | 217 | 1,153 | 1,109 | 1,150 | → |
| Dixonville (Dicksonville) | Census-Designated Place | Indiana | 439 | 450 | 467 | 413 | → |
| Donaldson | Census-Designated Place | Schuylkill | 391 | 325 | 328 | 377 | → |
| Donegal | Borough | Westmoreland | 198 | 279 | 117 | 103 | → |
| Donora | Borough | Washington | 5,936 | 5,626 | 4,781 | 4,565 | → |
| Dormont | Borough | Allegheny | 9,806 | 9,323 | 8,602 | 8,241 | → |
| Dorneyville | Census-Designated Place | Lehigh | 4,911 | 4,701 | 4,721 | 4,850 | → |
| Douglassville | Census-Designated Place | Berks | 272 | 340 | 448 | 518 | → |
| Dover | Borough | York | 2,626 | 1,832 | 2,007 | 1,955 | → |
| Downingtown | Borough | Chester | 7,582 | 7,706 | 7,887 | 7,888 | → |
| Doylestown | Borough | Bucks | 8,693 | 8,233 | 8,380 | 8,306 | → |
| Dravosburg | Borough | Allegheny | 2,375 | 2,015 | 1,790 | 1,611 | → |
| Drexel Hill | Census-Designated Place | Delaware | 29,744 | 29,364 | 28,043 | 29,181 | → |
| Driftwood | Borough | Cameron | 116 | 125 | 67 | 38 | → |
| Dry Tavern | Census-Designated Place | Greene | 589 | 593 | 697 | 655 | → |
| Dryville | Census-Designated Place | Berks | 245 | 247 | 398 | 364 | → |
| Dublin | Borough | Bucks | 1,865 | 2,128 | 2,147 | 2,176 | → |
| DuBois | City | Clearfield | 8,363 | 8,086 | 7,793 | 7,510 | → |
| Duboistown | Borough | Lycoming | 1,204 | 1,233 | 1,203 | 1,197 | → |
| Dudley | Borough | Huntingdon | 232 | 241 | 187 | 185 | → |
| Dumb Hundred | Census-Designated Place | Blair | ... | 72 | 97 | 84 | → |
| Dunbar | Borough | Fayette | 1,114 | 1,176 | 1,033 | 1,015 | → |
| Duncannon | Borough | Perry | 1,490 | 1,522 | 1,522 | 1,472 | → |
| Duncansville | Borough | Blair | 1,282 | 1,247 | 1,233 | 1,254 | → |
| Dunlevy | Borough | Washington | 402 | 345 | 413 | 370 | → |
| Dunlo | Census-Designated Place | Cambria | 309 | 268 | 342 | 353 | → |
| Dunmore | Borough | Lackawanna | 15,354 | 14,425 | 14,066 | 14,043 | → |
| Dunnstown | Census-Designated Place | Clinton | 1,486 | 1,365 | 1,360 | 1,464 | → |
| Dupont | Borough | Luzerne | 2,995 | 2,713 | 2,733 | 2,539 | → |
| Duquesne | City | Allegheny | 8,539 | 7,319 | 5,562 | 5,252 | → |
| Duryea | Borough | Luzerne | 4,854 | 4,662 | 4,981 | 5,043 | → |
| Dushore | Borough | Sullivan | 738 | 663 | 601 | 455 | → |
| Eagle | Census-Designated Place | Chester | ... | ... | 401 | 498 | → |
| Eagle Creek | Census-Designated Place | Centre | ... | ... | 55 | 132 | → |
| Eagle Lake | Census-Designated Place | Lackawanna | 67 | 13 | 12 | 12 | → |
| Eagles Mere | Borough | Sullivan | 123 | 153 | 120 | 150 | → |
| Eagleview | Census-Designated Place | Chester | ... | 774 | 1,644 | 2,193 | → |
| Eagleville | Census-Designated Place | Centre | 49 | 144 | 324 | 285 | → |
| Eagleville | Census-Designated Place | Montgomery | 3,637 | 4,458 | 4,800 | 4,647 | → |
| Earlston | Census-Designated Place | Bedford | 941 | 982 | 1,122 | 1,049 | → |
| East Altoona | Census-Designated Place | Blair | 184 | 199 | 240 | 351 | → |
| East Bangor | Borough | Northampton | 1,088 | 986 | 1,170 | 1,123 | → |
| East Berlin | Borough | Adams | 1,181 | 1,364 | 1,521 | 1,542 | → |
| East Berwick | Census-Designated Place | Luzerne | 2,128 | 1,998 | 2,007 | 2,042 | → |
| East Brady | Borough | Clarion | 1,047 | 1,038 | 942 | 819 | → |
| East Butler | Borough | Butler | 693 | 697 | 733 | 763 | → |
| East Conemaugh | Borough | Cambria | 1,738 | 1,348 | 1,218 | 1,085 | → |
| East Earl | Census-Designated Place | Lancaster | 507 | 530 | 1,144 | 1,113 | → |
| East Freedom | Census-Designated Place | Blair | 258 | 675 | 658 | 552 | → |
| East Greenville | Borough | Montgomery | 3,126 | 3,114 | 2,921 | 3,165 | → |
| East Lansdowne | Borough | Delaware | 2,691 | 2,581 | 2,668 | 2,713 | → |
| East McKeesport | Borough | Allegheny | 2,617 | 2,330 | 2,124 | 2,072 | → |
| East Petersburg | Borough | Lancaster | 4,145 | 4,457 | 4,506 | 4,577 | → |
| East Pittsburgh | Borough | Allegheny | 2,122 | 2,069 | 1,827 | 1,929 | → |
| East Prospect | Borough | York | 663 | 661 | 865 | 932 | → |
| East Rochester | Borough | Beaver | 694 | 602 | 567 | 564 | → |
| East Salem | Census-Designated Place | Juniata | 34 | 68 | 186 | 169 | → |
| East Sharpsburg | Census-Designated Place | Blair | 40 | 31 | 37 | 85 | → |
| East Side | Borough | Carbon | 330 | 301 | 315 | 247 | → |
| East Stroudsburg | Borough | Monroe | 8,932 | 9,827 | 9,862 | 9,672 | → |
| East Uniontown | Census-Designated Place | Fayette | 2,584 | 2,760 | 2,419 | 2,271 | → |
| East Vandergrift | Borough | Westmoreland | 795 | 736 | 678 | 595 | → |
| East Washington | Borough | Washington | 2,217 | 1,925 | 1,884 | 1,853 | → |
| East Waterford (East Rutherford) | Census-Designated Place | Juniata | 175 | 185 | 196 | 156 | → |
| East York | Census-Designated Place | York | 8,487 | 8,782 | 8,777 | 9,555 | → |
| Eastlawn Gardens | Census-Designated Place | Northampton | 1,794 | 2,832 | 3,307 | 3,435 | → |
| Easton | City | Northampton | 26,301 | 26,248 | 26,814 | 28,127 | → |
| Eastvale | Borough | Beaver | 325 | 288 | 222 | 181 | → |
| Eau Claire | Borough | Butler | 392 | 362 | 316 | 306 | → |
| Ebensburg | Borough | Cambria | 3,886 | 3,094 | 3,350 | 3,373 | → |
| Economy | Borough | Beaver | 9,461 | 9,424 | 8,986 | 9,097 | → |
| Eddington | Census-Designated Place | Bucks | 2,076 | 1,963 | 1,906 | 1,996 | → |
| Eddystone | Borough | Delaware | 2,395 | 2,449 | 2,410 | 2,457 | → |
| Edenborn | Census-Designated Place | Fayette | 390 | 217 | 294 | 229 | → |
| Edenburg | Census-Designated Place | Berks | 471 | 549 | 681 | 708 | → |
| Edgewood | Borough | Allegheny | 3,541 | 3,366 | 3,128 | 3,141 | → |
| Edgewood | Census-Designated Place | Northumberland | 2,910 | 2,619 | 2,384 | 2,286 | → |
| Edgeworth | Borough | Allegheny | 1,689 | 1,715 | 1,679 | 1,677 | → |
| Edie | Census-Designated Place | Somerset | ... | ... | 83 | 77 | → |
| Edinboro | Borough | Erie | 7,746 | 6,952 | 6,445 | 4,962 | → |
| Edwardsville | Borough | Luzerne | 5,424 | 4,859 | 4,876 | 4,921 | → |
| Effort | Census-Designated Place | Monroe | 1,218 | 2,035 | 2,269 | 1,965 | → |
| Egypt | Census-Designated Place | Lehigh | 2,063 | 2,206 | 2,391 | 2,588 | → |
| Ehrenfeld | Borough | Cambria | 307 | 232 | 228 | 202 | → |
| Eighty Four | Census-Designated Place | Washington | 790 | 637 | 657 | 645 | → |
| Elberta | Census-Designated Place | Blair | ... | ... | ... | 271 | → |
| Elco | Borough | Washington | 368 | 371 | 323 | 263 | → |
| Elderton | Borough | Armstrong | 371 | 348 | 356 | 333 | → |
| Eldorado | Census-Designated Place | Blair | 801 | 711 | 751 | 712 | → |
| Eldred | Borough | McKean | 869 | 854 | 818 | 761 | → |
| Elgin | Borough | Erie | 224 | 233 | 218 | 204 | → |
| Elim | Census-Designated Place | Cambria | 3,861 | 4,175 | 3,727 | 3,364 | → |
| Elizabeth | Borough | Allegheny | 1,584 | 1,575 | 1,494 | 1,395 | → |
| Elizabethtown | Borough | Lancaster | 10,152 | 11,841 | 11,518 | 11,633 | → |
| Elizabethville | Borough | Dauphin | 1,592 | 1,333 | 1,504 | 1,351 | → |
| Elkins Park | Census-Designated Place | Montgomery | 6,467 | 7,154 | 6,627 | 6,901 | → |
| Elkland | Borough | Tioga | 1,847 | 1,817 | 1,821 | 1,828 | → |
| Ellport | Borough | Lawrence | 1,294 | 1,168 | 1,177 | 1,081 | → |
| Ellsworth | Borough | Washington | 1,049 | 1,044 | 1,010 | 919 | → |
| Ellwood City | Borough | Lawrence / Beaver | 8,972 | 8,678 | 7,848 | 7,629 | → |
| Elrama | Census-Designated Place | Washington | 365 | 335 | 307 | 285 | → |
| Elverson | Borough | Chester | 470 | 950 | 1,221 | 1,331 | → |
| Elysburg | Census-Designated Place | Northumberland | 1,890 | 2,067 | 2,194 | 2,152 | → |
| Emerald Lakes | Census-Designated Place | Monroe | 627 | 1,469 | 2,886 | 2,895 | → |
| Emigsville | Census-Designated Place | York | 2,580 | 2,565 | 2,817 | 3,563 | → |
| Emlenton | Borough | Venango / Clarion | 873 | 800 | 630 | 616 | → |
| Emmaus | Borough | Lehigh | 11,380 | 11,298 | 11,188 | 11,648 | → |
| Emporium | Borough | Cameron | 2,513 | 2,482 | 2,068 | 1,926 | → |
| Emsworth | Borough | Allegheny | 2,742 | 2,644 | 2,440 | 2,524 | → |
| Englewood | Census-Designated Place | Schuylkill | 674 | 484 | 532 | 561 | → |
| Enhaut | Census-Designated Place | Dauphin | 850 | 1,029 | 1,007 | 1,022 | → |
| Enlow | Census-Designated Place | Allegheny | 1,163 | 1,126 | 1,013 | 1,138 | → |
| Enola | Census-Designated Place | Cumberland | 5,961 | 5,627 | 6,111 | 6,103 | → |
| Enon Valley | Borough | Lawrence | 357 | 393 | 308 | 301 | → |
| Ephrata | Borough | Lancaster | 12,396 | 13,231 | 13,346 | 13,854 | → |
| Erie | City | Erie | 108,749 | 103,748 | 101,735 | 95,017 | → |
| Ernest | Borough | Indiana | 493 | 472 | 462 | 420 | → |
| Espy | Census-Designated Place | Columbia | 1,430 | 1,428 | 1,642 | 1,620 | → |
| Etna | Borough | Allegheny | 4,173 | 3,912 | 3,440 | 3,435 | → |
| Evans City | Borough | Butler | 2,090 | 2,005 | 1,833 | 1,747 | → |
| Evansburg | Census-Designated Place | Montgomery | 1,047 | 1,536 | 2,129 | 2,410 | → |
| Everett | Borough | Bedford | 1,889 | 1,897 | 1,835 | 1,767 | → |
| Everson | Borough | Fayette | 950 | 860 | 792 | 769 | → |
| Exeter | Borough | Luzerne | 5,485 | 5,970 | 5,606 | 5,514 | → |
| Export | Borough | Westmoreland | 967 | 915 | 911 | 899 | → |
| Exton | Census-Designated Place | Chester | 2,550 | 4,267 | 4,842 | 5,622 | → |
| Eyers Grove | Census-Designated Place | Columbia | 50 | 86 | 105 | 102 | → |
| Factoryville | Borough | Wyoming | 1,289 | 1,144 | 1,201 | 1,154 | → |
| Fairchance | Borough | Fayette | 2,092 | 2,171 | 1,993 | 1,879 | → |
| Fairdale | Census-Designated Place | Greene | 2,049 | 1,955 | 2,059 | 2,064 | → |
| Fairfield | Borough | Adams | 484 | 482 | 509 | 529 | → |
| Fairhope | Census-Designated Place | Fayette | 1,252 | 1,309 | 1,151 | 1,146 | → |
| Fairless Hills | Census-Designated Place | Bucks | 9,026 | 8,365 | 8,466 | 9,041 | → |
| Fairview | Borough | Butler | 220 | 203 | 196 | 179 | → |
| Fairview | Census-Designated Place | Erie | 2,549 | 2,309 | 2,348 | 2,850 | → |
| Fairview-Ferndale | Census-Designated Place | Northumberland | 2,740 | 2,411 | 2,139 | 2,075 | → |
| Falls Creek | Borough | Jefferson / Clearfield | 1,152 | 985 | 1,041 | 1,031 | → |
| Fallston | Borough | Beaver | 410 | 305 | 261 | 256 | → |
| Falmouth | Census-Designated Place | Lancaster | 370 | 410 | 420 | 397 | → |
| Farmersville | Census-Designated Place | Lancaster | 702 | 800 | 991 | 1,051 | → |
| Farmington | Census-Designated Place | Fayette | 651 | 686 | 767 | 735 | → |
| Farrell | City | Mercer | 6,825 | 6,240 | 4,953 | 4,263 | → |
| Farwell | Census-Designated Place | Clinton | 213 | 88 | 226 | 244 | → |
| Fawn Grove | Borough | York | 508 | 477 | 452 | 475 | → |
| Fawn Lake Forest | Census-Designated Place | Pike | 260 | 532 | 755 | 725 | → |
| Faxon | Census-Designated Place | Lycoming | 1,499 | 1,410 | 1,395 | 1,445 | → |
| Fayette City | Borough | Fayette | 731 | 686 | 608 | 505 | → |
| Fayetteville | Census-Designated Place | Franklin | 3,033 | 2,774 | 3,128 | 3,208 | → |
| Feasterville | Census-Designated Place | Bucks | 3,074 | 2,799 | 3,074 | 3,066 | → |
| Fellsburg | Census-Designated Place | Westmoreland | 963 | 1,096 | 1,180 | 1,153 | → |
| Felton | Borough | York | 523 | 448 | 506 | 501 | → |
| Ferndale | Borough | Cambria | 2,005 | 1,825 | 1,650 | 1,549 | → |
| Fernville | Census-Designated Place | Columbia | 402 | 488 | 556 | 481 | → |
| Finleyville | Borough | Washington | 460 | 456 | 413 | 374 | → |
| Fisherville | Census-Designated Place | Blair | ... | ... | ... | 15 | → |
| Fivepointville | Census-Designated Place | Lancaster | 455 | 927 | 1,156 | 1,090 | → |
| Fleetwood | Borough | Berks | 3,394 | 4,236 | 4,094 | 4,051 | → |
| Flemington | Borough | Clinton | 1,359 | 1,294 | 1,331 | 1,272 | → |
| Flourtown | Census-Designated Place | Montgomery | 4,754 | 4,669 | 4,538 | 4,786 | → |
| Flying Hills | Census-Designated Place | Berks | 1,732 | 1,339 | 2,324 | 2,230 | → |
| Folcroft | Borough | Delaware | 7,534 | 6,940 | 6,631 | 6,798 | → |
| Folsom | Census-Designated Place | Delaware | 8,173 | 8,072 | 8,323 | 8,287 | → |
| Foot of Ten | Census-Designated Place | Blair | 779 | 792 | 672 | 560 | → |
| Force | Census-Designated Place | Elk | ... | 102 | 253 | 213 | → |
| Ford City | Borough | Armstrong | 3,539 | 3,360 | 2,989 | 2,862 | → |
| Ford Cliff | Borough | Armstrong | 457 | 412 | 371 | 361 | → |
| Forest City | Borough | Susquehanna | 2,065 | 1,868 | 1,885 | 1,780 | → |
| Forest Hills | Borough | Allegheny | 7,320 | 6,953 | 6,540 | 6,430 | → |
| Forestville | Census-Designated Place | Schuylkill | 505 | 431 | 435 | 399 | → |
| Forksville | Borough | Sullivan | 160 | 147 | 145 | 111 | → |
| Fort Fetter | Census-Designated Place | Blair | 73 | 93 | 198 | 175 | → |
| Fort Indiantown Gap | Census-Designated Place | Lebanon | 306 | 85 | 143 | 68 | → |
| Fort Loudon | Census-Designated Place | Franklin | 666 | 613 | 886 | 895 | → |
| Fort Washington | Census-Designated Place | Montgomery | 5,674 | 5,577 | 5,446 | 5,910 | → |
| Forty Fort | Borough | Luzerne | 5,176 | 4,603 | 4,157 | 4,243 | → |
| Foster Brook | Census-Designated Place | McKean | 1,396 | 1,200 | 1,251 | 1,127 | → |
| Fostoria | Census-Designated Place | Blair | 25 | 45 | 40 | 36 | → |
| Foundryville | Census-Designated Place | Columbia | 261 | 265 | 256 | 260 | → |
| Fountain Hill | Borough | Lehigh | 4,616 | 4,564 | 4,623 | 4,828 | → |
| Fountain Springs | Census-Designated Place | Schuylkill | 199 | 190 | 278 | 256 | → |
| Fox Chapel | Borough | Allegheny | 5,217 | 5,730 | 5,196 | 5,343 | → |
| Fox Chase | Census-Designated Place | Berks | 821 | 1,781 | 1,622 | 1,600 | → |
| Foxburg | Borough | Clarion | 262 | 279 | 183 | 182 | → |
| Frackville | Borough | Schuylkill | 4,766 | 4,255 | 3,805 | 3,862 | → |
| Frankfort Springs | Borough | Beaver | 134 | 140 | 130 | 115 | → |
| Franklin | Borough | Cambria | 288 | 450 | 323 | 275 | → |
| Franklin | City | Venango | 7,320 | 7,199 | 6,553 | 6,078 | → |
| Franklin Forge | Census-Designated Place | Blair | ... | ... | ... | 14 | → |
| Franklin Park | Borough | Allegheny | 10,100 | 11,357 | 13,490 | 15,490 | → |
| Franklintown | Borough | York | 455 | 521 | 486 | 509 | → |
| Frankstown | Census-Designated Place | Blair | 45 | 40 | 11 | 96 | → |
| Frazer | Census-Designated Place | Chester | 3,010 | 3,403 | 3,382 | 3,635 | → |
| Fredericksburg | Census-Designated Place | Blair | 215 | 98 | 228 | 172 | → |
| Fredericksburg | Census-Designated Place | Crawford | 535 | 449 | 733 | 728 | → |
| Fredericksburg | Census-Designated Place | Lebanon | 996 | 987 | 1,357 | 1,448 | → |
| Fredericktown | Census-Designated Place | Washington | 482 | 373 | 403 | 402 | → |
| Fredonia | Borough | Mercer | 592 | 560 | 494 | 434 | → |
| Freeburg | Borough | Snyder | 693 | 696 | 575 | 559 | → |
| Freedom | Borough | Beaver | 1,916 | 1,791 | 1,569 | 1,495 | → |
| Freeland | Borough | Luzerne | 3,930 | 3,647 | 3,522 | 3,832 | → |
| Freemansburg | Borough | Northampton | 1,739 | 2,058 | 2,638 | 2,873 | → |
| Freeport | Borough | Armstrong | 1,989 | 1,953 | 1,814 | 1,737 | → |
| Friedens | Census-Designated Place | Somerset | 1,576 | 1,673 | 1,523 | 1,504 | → |
| Friedensburg | Census-Designated Place | Schuylkill | 846 | 828 | 858 | 1,041 | → |
| Friendsville | Borough | Susquehanna | 102 | 91 | 109 | 100 | → |
| Friesville | Census-Designated Place | Blair | 127 | 137 | 154 | 195 | → |
| Frisco | Census-Designated Place | Beaver / Lawrence | 935 | 916 | 854 | 914 | → |
| Frizzleburg | Census-Designated Place | Lawrence | 583 | 744 | 602 | 442 | → |
| Frystown | Census-Designated Place | Berks | 309 | 187 | 380 | 355 | → |
| Fullerton | Census-Designated Place | Lehigh | 13,127 | 14,268 | 14,925 | 16,588 | → |
| Galeton | Borough | Potter | 1,372 | 1,341 | 1,144 | 986 | → |
| Gallitzin | Borough | Cambria | 1,986 | 1,790 | 1,669 | 1,527 | → |
| Ganister | Census-Designated Place | Blair | ... | ... | 1 | 11 | → |
| Gap | Census-Designated Place | Lancaster | 1,349 | 1,696 | 2,034 | 2,186 | → |
| Garden View | Census-Designated Place | Lycoming | 2,687 | 2,679 | 2,503 | 2,478 | → |
| Gardners | Census-Designated Place | Adams | 127 | 112 | 150 | 137 | → |
| Garrett | Borough | Somerset | 380 | 414 | 461 | 417 | → |
| Gastonville | Census-Designated Place | Washington | 3,090 | 3,002 | 2,818 | 2,554 | → |
| Geeseytown | Census-Designated Place | Blair | ... | 13 | 13 | 107 | → |
| Geistown | Borough | Cambria | 2,811 | 2,596 | 2,470 | 2,367 | → |
| Geneva | Census-Designated Place | Crawford | 92 | 115 | 109 | 121 | → |
| Georgetown | Borough | Beaver | 194 | 191 | 172 | 208 | → |
| Georgetown | Census-Designated Place | Lancaster | 1,038 | 997 | 1,022 | 1,058 | → |
| Georgetown | Census-Designated Place | Luzerne | 1,889 | 1,782 | 1,640 | 1,723 | → |
| Gettysburg | Borough | Adams | 7,043 | 7,487 | 7,592 | 7,106 | → |
| Gibraltar | Census-Designated Place | Berks | 848 | 479 | 680 | 721 | → |
| Gibsonia | Census-Designated Place | Allegheny | 2,811 | 2,630 | 2,733 | 2,785 | → |
| Gilberton | Borough | Schuylkill | 1,026 | 895 | 766 | 581 | → |
| Gilbertsville | Census-Designated Place | Montgomery | 3,994 | 4,242 | 4,832 | 5,508 | → |
| Girard | Borough | Erie | 2,879 | 3,164 | 3,104 | 2,992 | → |
| Girardville | Borough | Schuylkill | 1,858 | 1,733 | 1,519 | 1,309 | → |
| Glasgow | Borough | Beaver | 46 | 63 | 60 | 72 | → |
| Glassport | Borough | Allegheny | 5,587 | 4,990 | 4,488 | 4,470 | → |
| Glen Campbell | Borough | Indiana | 356 | 307 | 245 | 254 | → |
| Glen Hope | Borough | Clearfield | 187 | 174 | 142 | 125 | → |
| Glen Lyon | Census-Designated Place | Luzerne | 2,082 | 2,710 | 3,000 | 1,877 | → |
| Glen Osborne | Borough | Allegheny | 565 | 545 | 544 | 589 | → |
| Glen Rock | Borough | York | 1,824 | 1,817 | 2,046 | 2,115 | → |
| Glenburn | Census-Designated Place | Lackawanna | 786 | 788 | 953 | 1,148 | → |
| Glendon | Borough | Northampton | 391 | 297 | 363 | 373 | → |
| Glenfield | Borough | Allegheny | 223 | 236 | 202 | 208 | → |
| Glenmoore | Census-Designated Place | Chester | 388 | 611 | 596 | 872 | → |
| Glenolden | Borough | Delaware | 7,309 | 7,472 | 7,090 | 7,231 | → |
| Glenshaw | Census-Designated Place | Allegheny | 9,741 | 9,548 | 8,981 | 8,945 | → |
| Glenside | Census-Designated Place | Montgomery | 8,704 | 7,914 | 8,384 | 7,737 | → |
| Gold Key Lake | Census-Designated Place | Pike | 457 | 1,192 | 1,830 | 1,979 | → |
| Goldsboro | Borough | York | 468 | 935 | 948 | 930 | → |
| Goodville | Census-Designated Place | Lancaster | 390 | 461 | 482 | 388 | → |
| Gordon | Borough | Schuylkill | 768 | 781 | 763 | 762 | → |
| Gordonville | Census-Designated Place | Lancaster | 563 | 591 | 508 | 523 | → |
| Gouglersville | Census-Designated Place | Berks | 598 | 530 | 548 | 585 | → |
| Gouldsboro | Census-Designated Place | Wayne / Monroe | 555 | 455 | 890 | 750 | → |
| Graceton | Census-Designated Place | Indiana | 107 | 177 | 257 | 211 | → |
| Grampian | Borough | Clearfield | 395 | 593 | 342 | 357 | → |
| Grantley | Census-Designated Place | York | 3,069 | 3,908 | 4,097 | 4,524 | → |
| Granville | Census-Designated Place | Mifflin | 559 | 507 | 440 | 424 | → |
| Grapeville | Census-Designated Place | Westmoreland | 568 | 676 | 538 | 499 | → |
| Grassflat | Census-Designated Place | Clearfield | 318 | 371 | 511 | 479 | → |
| Gratz | Borough | Dauphin | 704 | 651 | 761 | 742 | → |
| Gray | Census-Designated Place | Blair | 46 | 30 | 36 | 42 | → |
| Grazierville | Census-Designated Place | Blair | 672 | 692 | 665 | 670 | → |
| Great Bend | Borough | Susquehanna | 710 | 697 | 734 | 631 | → |
| Green Hills | Borough | Washington | 21 | 20 | 22 | 19 | → |
| Green Lane | Borough | Montgomery | 499 | 577 | 508 | 479 | → |
| Green Tree | Borough | Allegheny | 5,017 | 4,837 | 4,375 | 4,937 | → |
| Greencastle | Borough | Franklin | 3,610 | 3,674 | 3,982 | 4,230 | → |
| Greenfields | Census-Designated Place | Berks | 1,182 | 1,097 | 1,170 | 1,238 | → |
| Greenock | Census-Designated Place | Allegheny | 2,262 | 1,863 | 2,195 | 1,989 | → |
| Greens Landing | Census-Designated Place | Bradford | 613 | 627 | 894 | 898 | → |
| Greensboro | Borough | Greene | 307 | 365 | 258 | 267 | → |
| Greensburg | City | Westmoreland | 16,329 | 15,670 | 14,897 | 14,949 | → |
| Greenville | Borough | Mercer | 6,659 | 6,371 | 5,953 | 5,540 | → |
| Greenwood | Census-Designated Place | Blair | 2,871 | 3,207 | 3,006 | 3,114 | → |
| Grier City | Census-Designated Place | Schuylkill | 350 | 350 | 283 | 296 | → |
| Grill | Census-Designated Place | Berks | 947 | 927 | 1,468 | 1,469 | → |
| Grindstone | Census-Designated Place | Fayette | 588 | 607 | 498 | 489 | → |
| Grove City | Borough | Mercer | 8,167 | 8,101 | 8,334 | 7,884 | → |
| Guilford | Census-Designated Place | Franklin | 1,702 | 1,946 | 2,377 | 2,923 | → |
| Guys Mills | Census-Designated Place | Crawford | 55 | 133 | 124 | 128 | → |
| Halfway House | Census-Designated Place | Montgomery | 1,415 | 1,823 | 2,881 | 3,273 | → |
| Halifax | Borough | Dauphin | 941 | 823 | 895 | 798 | → |
| Hallam | Borough | York | 1,381 | 1,558 | 2,664 | 2,777 | → |
| Hallstead | Borough | Susquehanna | 992 | 1,217 | 1,311 | 1,179 | → |
| Hamburg | Borough | Berks | 3,975 | 4,164 | 4,230 | 4,292 | → |
| Hamorton | Census-Designated Place | Chester | 455 | 60 | 184 | 179 | → |
| Hampton | Census-Designated Place | Adams | 926 | 1,238 | 1,453 | 1,432 | → |
| Hannasville | Census-Designated Place | Venango | 129 | 186 | 176 | 159 | → |
| Hanover | Borough | York | 14,703 | 14,547 | 15,281 | 16,439 | → |
| Harleigh | Census-Designated Place | Luzerne | 644 | 645 | 1,104 | 1,050 | → |
| Harleysville | Census-Designated Place | Montgomery | 7,405 | 8,795 | 9,286 | 9,899 | → |
| Harmonsburg | Census-Designated Place | Crawford | 285 | 356 | 401 | 309 | → |
| Harmony | Borough | Butler | 1,181 | 934 | 912 | 951 | → |
| Harrisburg | City | Dauphin | 51,995 | 48,833 | 49,528 | 50,080 | → |
| Harrison City | Census-Designated Place | Westmoreland | 213 | 155 | 134 | 174 | → |
| Harrisville | Borough | Butler | 865 | 887 | 899 | 819 | → |
| Hartleton | Borough | Union | 246 | 260 | 284 | 251 | → |
| Hartstown | Census-Designated Place | Crawford | 223 | 246 | 201 | 146 | → |
| Harveys Lake | Borough | Luzerne | 2,753 | 2,732 | 2,814 | 2,790 | → |
| Harwick | Census-Designated Place | Allegheny | 911 | 982 | 899 | 850 | → |
| Hasson Heights | Census-Designated Place | Venango | 1,206 | 1,495 | 1,351 | 1,229 | → |
| Hastings | Borough | Cambria | 1,393 | 1,377 | 1,271 | 1,216 | → |
| Hatboro | Borough | Montgomery | 7,433 | 7,120 | 7,363 | 8,246 | → |
| Hatfield | Borough | Montgomery | 2,663 | 2,628 | 3,298 | 3,489 | → |
| Haverford College | Census-Designated Place | Delaware / Montgomery | 1,099 | 1,671 | 1,331 | 1,497 | → |
| Hawk Run | Census-Designated Place | Clearfield | 440 | 471 | 534 | 474 | → |
| Hawley | Borough | Wayne | 1,244 | 1,303 | 1,192 | 1,228 | → |
| Hawthorn | Borough | Clarion | 528 | 587 | 494 | 479 | → |
| Haysville | Borough | Allegheny | 80 | 69 | 77 | 82 | → |
| Hayti | Census-Designated Place | Chester | 1,765 | 1,965 | 2,391 | 2,890 | → |
| Hazen | Census-Designated Place | Beaver | 123 | 117 | 137 | 163 | → |
| Hazleton | City | Luzerne | 25,343 | 23,461 | 25,416 | 29,939 | → |
| Hebron | Census-Designated Place | Lebanon | 1,240 | 1,226 | 1,305 | 939 | → |
| Heckscherville | Census-Designated Place | Schuylkill | 128 | 76 | 220 | 196 | → |
| Hegins | Census-Designated Place | Schuylkill | 701 | 787 | 812 | 798 | → |
| Heidelberg | Borough | Allegheny | 1,244 | 1,273 | 1,243 | 1,289 | → |
| Heidlersburg | Census-Designated Place | Adams | 139 | 515 | 551 | 509 | → |
| Heilwood | Census-Designated Place | Indiana | 390 | 402 | 329 | 318 | → |
| Hellertown | Borough | Northampton | 5,689 | 5,612 | 5,890 | 6,128 | → |
| Hemlock Farms | Census-Designated Place | Pike | 1,062 | 2,336 | 3,271 | 3,901 | → |
| Hendersonville | Census-Designated Place | Washington | 304 | 85 | 325 | 274 | → |
| Henrietta | Census-Designated Place | Blair | ... | ... | 26 | 138 | → |
| Hereford | Census-Designated Place | Berks | 645 | 661 | 930 | 933 | → |
| Herminie | Census-Designated Place | Westmoreland | 885 | 856 | 789 | 718 | → |
| Hermitage | City | Mercer | 15,297 | 15,935 | 16,413 | 16,230 | → |
| Herndon | Borough | Northumberland | 422 | 428 | 320 | 351 | → |
| Hershey | Census-Designated Place | Dauphin | 11,860 | 12,771 | 14,257 | 13,858 | → |
| Hickory | Census-Designated Place | Washington | 736 | 429 | 740 | 664 | → |
| Hickory Hills | Census-Designated Place | Luzerne | 446 | 381 | 562 | 624 | → |
| Highland Park | Census-Designated Place | Mifflin | 1,583 | 1,446 | 1,380 | 1,317 | → |
| Highspire | Borough | Dauphin | 2,716 | 2,735 | 2,399 | 2,740 | → |
| Hilldale | Census-Designated Place | Luzerne | 1,202 | 1,490 | 1,246 | 1,120 | → |
| Hiller | Census-Designated Place | Fayette | 1,548 | 1,407 | 1,280 | 1,258 | → |
| Hokendauqua | Census-Designated Place | Lehigh | 3,413 | 3,411 | 3,378 | 3,340 | → |
| Holiday Pocono | Census-Designated Place | Carbon | 208 | 209 | 476 | 583 | → |
| Hollidaysburg | Borough | Blair | 5,637 | 5,808 | 5,754 | 5,636 | → |
| Holters Crossing | Census-Designated Place | Centre | 70 | 37 | 64 | 111 | → |
| Homeacre-Lyndora | Census-Designated Place | Butler | 7,511 | 6,685 | 6,906 | 6,721 | → |
| Homer City | Borough | Indiana | 1,840 | 1,883 | 1,708 | 1,731 | → |
| Homestead | Borough | Allegheny | 4,179 | 3,576 | 3,192 | 2,884 | → |
| Hometown | Census-Designated Place | Schuylkill | 1,545 | 1,399 | 1,349 | 1,414 | → |
| Homewood | Borough | Beaver | 149 | 142 | 132 | 91 | → |
| Homewood at Martinsburg | Census-Designated Place | Blair | ... | ... | 41 | 345 | → |
| Honesdale | Borough | Wayne | 5,038 | 4,895 | 4,513 | 4,460 | → |
| Honey Brook | Borough | Chester | 1,226 | 1,302 | 1,716 | 1,895 | → |
| Hookstown | Borough | Beaver | 169 | 159 | 147 | 130 | → |
| Hooversville | Borough | Somerset | 738 | 773 | 645 | 628 | → |
| Hop Bottom | Borough | Susquehanna | 345 | 333 | 343 | 311 | → |
| Hopeland | Census-Designated Place | Lancaster | 659 | 668 | 738 | 641 | → |
| Hopewell | Borough | Bedford | 194 | 256 | 230 | 190 | → |
| Hopwood | Census-Designated Place | Fayette | 2,021 | 2,006 | 2,090 | 2,062 | → |
| Horsham | Census-Designated Place | Montgomery | 15,051 | 14,779 | 14,842 | 15,193 | → |
| Hostetter | Census-Designated Place | Westmoreland | 531 | 435 | 740 | 732 | → |
| Houserville | Census-Designated Place | Centre | 1,716 | 1,809 | 1,814 | 1,978 | → |
| Houston | Borough | Washington | 1,455 | 1,291 | 1,296 | 1,173 | → |
| Houtzdale | Borough | Clearfield | 1,090 | 980 | 798 | 765 | → |
| Howard | Borough | Centre | 726 | 681 | 733 | 684 | → |
| Hublersburg | Census-Designated Place | Centre | 120 | 131 | 148 | 121 | → |
| Hudson | Census-Designated Place | Luzerne | 2,063 | 1,436 | 1,443 | 1,436 | → |
| Hughestown | Borough | Luzerne | 1,537 | 1,535 | 1,371 | 1,331 | → |
| Hughesville | Borough | Lycoming | 2,053 | 2,226 | 2,116 | 2,154 | → |
| Hulmeville | Borough | Bucks | 977 | 1,060 | 1,002 | 985 | → |
| Hummels Wharf | Census-Designated Place | Snyder | 1,509 | 1,227 | 1,353 | 1,334 | → |
| Hummelstown | Borough | Dauphin | 4,090 | 4,350 | 4,527 | 4,543 | → |
| Hunker | Borough | Westmoreland | 328 | 329 | 287 | 311 | → |
| Hunterstown | Census-Designated Place | Adams | 328 | 405 | 547 | 506 | → |
| Huntingdon | Borough | Huntingdon | 6,855 | 6,938 | 7,091 | 6,822 | → |
| Hyde | Census-Designated Place | Clearfield | 1,643 | 1,491 | 1,399 | 1,303 | → |
| Hyde Park | Census-Designated Place | Berks | 2,189 | 2,229 | 2,528 | 2,806 | → |
| Hyde Park | Borough | Westmoreland | 537 | 504 | 502 | 508 | → |
| Hydetown | Borough | Crawford | 778 | 614 | 535 | 526 | → |
| Hyndman | Borough | Bedford | 1,047 | 1,042 | 906 | 862 | → |
| Idaville | Census-Designated Place | Adams | 162 | 196 | 177 | 176 | → |
| Imperial | Census-Designated Place | Allegheny | 2,241 | 2,388 | 2,541 | 2,722 | → |
| Indian Lake | Borough | Somerset | 388 | 455 | 398 | 391 | → |
| Indian Mountain Lake | Census-Designated Place | Monroe / Carbon | 983 | 2,303 | 4,372 | 4,733 | → |
| Indiana | Borough | Indiana | 15,326 | 14,901 | 13,969 | 14,042 | → |
| Industry | Borough | Beaver | 2,113 | 1,944 | 1,833 | 1,834 | → |
| Ingram | Borough | Allegheny | 4,066 | 3,704 | 3,322 | 3,388 | → |
| Inkerman | Census-Designated Place | Luzerne | 1,852 | 1,364 | 1,819 | 1,720 | → |
| Intercourse | Census-Designated Place | Lancaster | 1,146 | 762 | 1,274 | 1,494 | → |
| Iola | Census-Designated Place | Columbia | 190 | 129 | 144 | 154 | → |
| Ironville | Census-Designated Place | Blair | 51 | 60 | 63 | 60 | → |
| Irvona | Borough | Clearfield | 708 | 717 | 645 | 547 | → |
| Irwin | Borough | Westmoreland | 4,677 | 4,335 | 3,991 | 3,885 | → |
| Ivyland | Borough | Bucks | 473 | 492 | 933 | 958 | → |
| Jackson Center | Borough | Mercer | 240 | 230 | 224 | 192 | → |
| Jacksonville | Census-Designated Place | Centre | ... | ... | 95 | 84 | → |
| Jacksonville | Census-Designated Place | Indiana | 696 | 641 | 602 | 620 | → |
| Jacksonwald | Census-Designated Place | Berks | 1,847 | 2,402 | 3,393 | 3,246 | → |
| Jacobus | Borough | York | 1,408 | 1,264 | 1,835 | 1,830 | → |
| James City | Census-Designated Place | Elk | 192 | 301 | 287 | 207 | → |
| Jamestown | Borough | Mercer | 755 | 651 | 617 | 577 | → |
| Jamison City | Census-Designated Place | Columbia | 97 | 102 | 134 | 111 | → |
| Jeannette | City | Westmoreland | 11,095 | 10,758 | 9,675 | 8,779 | → |
| Jeddo | Borough | Luzerne | 120 | 142 | 94 | 108 | → |
| Jefferson | Borough | Greene | 355 | 337 | 272 | 253 | → |
| Jefferson | Borough | York | 1,143 | 599 | 722 | 653 | → |
| Jefferson Hills | Borough | Allegheny | 9,662 | 9,708 | 10,620 | 12,417 | → |
| Jenkintown | Borough | Montgomery | 4,438 | 4,569 | 4,420 | 4,720 | → |
| Jennerstown | Borough | Somerset | 635 | 717 | 694 | 679 | → |
| Jermyn | Borough | Lackawanna | 2,278 | 2,187 | 2,161 | 2,139 | → |
| Jerome | Census-Designated Place | Somerset | 1,074 | 1,068 | 1,017 | 942 | → |
| Jersey Shore | Borough | Lycoming | 4,394 | 4,414 | 4,357 | 4,159 | → |
| Jerseytown | Census-Designated Place | Columbia | 99 | 150 | 184 | 175 | → |
| Jessup | Borough | Lackawanna | 4,666 | 4,705 | 4,678 | 4,519 | → |
| Jim Thorpe | Borough | Carbon | 5,024 | 4,825 | 4,786 | 4,504 | → |
| Joffre | Census-Designated Place | Washington | 634 | 429 | 536 | 485 | → |
| Johnsonburg | Borough | Elk | 3,350 | 3,145 | 2,485 | 2,402 | → |
| Johnstown | City | Cambria | 28,004 | 24,079 | 20,986 | 18,410 | → |
| Jonestown | Census-Designated Place | Columbia | 23 | 34 | 64 | 115 | → |
| Jonestown | Borough | Lebanon | 938 | 1,032 | 1,899 | 1,631 | → |
| Jugtown | Census-Designated Place | Blair | ... | ... | ... | 46 | → |
| Julian | Census-Designated Place | Centre | 190 | 152 | 152 | 146 | → |
| Juniata Gap | Census-Designated Place | Blair | 376 | 321 | 369 | 533 | → |
| Juniata Terrace | Borough | Mifflin | 563 | 544 | 542 | 564 | → |
| Kane | Borough | McKean | 4,469 | 4,110 | 3,715 | 3,633 | → |
| Kapp Heights | Census-Designated Place | Northumberland | 761 | 480 | 863 | 877 | → |
| Karns City | Borough | Butler | 196 | 186 | 213 | 172 | → |
| Kelayres | Census-Designated Place | Schuylkill | 456 | 456 | 533 | 497 | → |
| Kempton | Census-Designated Place | Berks | 72 | 122 | 169 | 159 | → |
| Kenhorst | Borough | Berks | 2,867 | 2,660 | 2,802 | 3,001 | → |
| Kenilworth | Census-Designated Place | Chester | 1,890 | 1,576 | 1,907 | 2,148 | → |
| Kenmar | Census-Designated Place | Lycoming | 4,208 | 4,204 | 4,124 | 4,241 | → |
| Kennerdell | Census-Designated Place | Venango | 168 | 162 | 247 | 176 | → |
| Kennett Square | Borough | Chester | 5,233 | 5,236 | 6,050 | 5,938 | → |
| Kerrtown | Census-Designated Place | Crawford | 594 | 240 | 305 | 258 | → |
| Kersey | Census-Designated Place | Elk | 1,018 | 731 | 937 | 797 | → |
| Kimberton | Census-Designated Place | Chester | 382 | 346 | 384 | 568 | → |
| King of Prussia | Census-Designated Place | Montgomery | 18,406 | 18,511 | 19,936 | 24,695 | → |
| Kingston | Borough | Luzerne | 14,539 | 13,868 | 13,168 | 13,357 | → |
| Kirkwood | Census-Designated Place | Lancaster | 335 | 411 | 396 | 388 | → |
| Kiskimere | Census-Designated Place | Armstrong | 69 | 52 | 136 | 135 | → |
| Kistler | Borough | Mifflin | 314 | 337 | 320 | 291 | → |
| Kittanning | Borough | Armstrong | 5,137 | 4,540 | 4,013 | 3,925 | → |
| Klahr | Census-Designated Place | Blair | ... | ... | ... | 76 | → |
| Klingerstown | Census-Designated Place | Schuylkill | 100 | 102 | 127 | 101 | → |
| Knox | Borough | Clarion | 1,182 | 1,174 | 1,148 | 1,098 | → |
| Knoxville | Borough | Tioga | 589 | 617 | 629 | 682 | → |
| Koppel | Borough | Beaver | 1,024 | 838 | 762 | 710 | → |
| Kratzerville | Census-Designated Place | Snyder | 150 | 391 | 383 | 394 | → |
| Kreamer | Census-Designated Place | Snyder | 330 | 405 | 822 | 742 | → |
| Kulpmont | Borough | Northumberland | 3,833 | 3,003 | 2,924 | 2,759 | → |
| Kulpsville | Census-Designated Place | Montgomery | 5,183 | 8,005 | 8,194 | 8,159 | → |
| Kutztown | Borough | Berks | 4,739 | 5,023 | 4,981 | 4,158 | → |
| Kutztown University | Census-Designated Place | Berks | 1,291 | 1,911 | 3,074 | 3,094 | → |
| Kylertown | Census-Designated Place | Clearfield | 311 | 335 | 340 | 336 | → |
| Laceyville | Borough | Wyoming | 436 | 392 | 379 | 366 | → |
| Laflin | Borough | Luzerne | 1,550 | 1,577 | 1,466 | 1,439 | → |
| Lake Arthur Estates | Census-Designated Place | Butler | 773 | 708 | 594 | 494 | → |
| Lake City | Borough | Erie | 2,518 | 2,824 | 3,031 | 2,935 | → |
| Lake Heritage | Census-Designated Place | Adams | 1,313 | 1,952 | 2,261 | 2,158 | → |
| Lake Latonka | Census-Designated Place | Mercer | 730 | 932 | 1,012 | 951 | → |
| Lake Meade | Census-Designated Place | Adams | 1,096 | 1,832 | 2,563 | 2,539 | → |
| Lake Winola | Census-Designated Place | Wyoming | 571 | 707 | 748 | 597 | → |
| Lake Wynonah | Census-Designated Place | Schuylkill | 1,055 | 1,961 | 2,640 | 2,858 | → |
| Lakemont | Census-Designated Place | Blair | 1,889 | 1,810 | 1,630 | 1,773 | → |
| Lamar | Census-Designated Place | Clinton | 510 | 477 | 562 | 561 | → |
| Lampeter | Census-Designated Place | Lancaster | 936 | 1,305 | 1,669 | 1,737 | → |
| Lancaster | City | Lancaster | 55,750 | 56,356 | 59,262 | 58,051 | → |
| Landingville | Borough | Schuylkill | 192 | 175 | 159 | 136 | → |
| Landisburg | Borough | Perry | 178 | 204 | 219 | 220 | → |
| Landisville | Census-Designated Place | Lancaster | 1,729 | 2,058 | 1,893 | 2,196 | → |
| Lanesboro | Borough | Susquehanna | 581 | 555 | 551 | 502 | → |
| Langeloth | Census-Designated Place | Washington | 718 | 693 | 717 | 659 | → |
| Langhorne | Borough | Bucks | 1,342 | 1,622 | 1,545 | 1,642 | → |
| Langhorne Manor | Borough | Bucks | 856 | 913 | 1,440 | 1,479 | → |
| Lansdale | Borough | Montgomery | 16,266 | 15,998 | 16,280 | 18,775 | → |
| Lansdowne | Borough | Delaware | 11,656 | 11,045 | 10,620 | 11,097 | → |
| Lansford | Borough | Carbon | 4,728 | 4,172 | 3,909 | 4,140 | → |
| Laporte | Borough | Sullivan | 328 | 290 | 316 | 314 | → |
| Larke | Census-Designated Place | Blair | 18 | 17 | 15 | 40 | → |
| Larksville | Borough | Luzerne | 4,724 | 4,817 | 4,485 | 4,224 | → |
| Latrobe | Borough | Westmoreland | 9,564 | 9,119 | 8,333 | 8,072 | → |
| Lattimer | Census-Designated Place | Luzerne | 477 | 449 | 554 | 567 | → |
| Laurel Mountain | Borough | Westmoreland | 195 | 186 | 165 | 146 | → |
| Laurel Run | Borough | Luzerne | 648 | 694 | 500 | 559 | → |
| Laureldale | Borough | Berks | 3,753 | 3,701 | 3,886 | 4,272 | → |
| Laurelton | Census-Designated Place | Union | 254 | 244 | 221 | 217 | → |
| Laurys Station | Census-Designated Place | Lehigh | 824 | 1,151 | 1,243 | 1,170 | → |
| Lavelle | Census-Designated Place | Schuylkill | 768 | 649 | 742 | 708 | → |
| Lawnton | Census-Designated Place | Dauphin | 3,827 | 4,370 | 4,395 | 4,967 | → |
| Lawrence | Census-Designated Place | Washington | 643 | 1,182 | 1,266 | 1,236 | → |
| Lawrence Park | Census-Designated Place | Erie | 4,310 | 4,048 | 3,982 | 3,824 | → |
| Lawrenceville | Borough | Tioga | 500 | 635 | 608 | 693 | → |
| Lawson Heights | Census-Designated Place | Westmoreland | 2,464 | 2,339 | 2,194 | 2,090 | → |
| Leamersville | Census-Designated Place | Blair | 47 | 61 | 91 | 96 | → |
| Lebanon | City | Lebanon | 25,126 | 24,985 | 25,492 | 26,808 | → |
| Lebanon South | Census-Designated Place | Lebanon | 1,764 | 2,145 | 2,270 | 2,383 | → |
| Leechburg | Borough | Armstrong | 2,509 | 2,476 | 2,151 | 2,148 | → |
| Leeper | Census-Designated Place | Clarion | 34 | 32 | 158 | 136 | → |
| Leesport | Borough | Berks | 1,235 | 1,815 | 1,871 | 1,950 | → |
| Leetsdale | Borough | Allegheny | 1,382 | 1,255 | 1,203 | 1,160 | → |
| Lehighton | Borough | Carbon | 5,912 | 5,544 | 5,500 | 5,251 | → |
| Leith-Hatfield | Census-Designated Place | Fayette | 2,437 | 2,820 | 2,546 | 2,672 | → |
| Lemont | Census-Designated Place | Centre | 1,728 | 2,116 | 2,270 | 2,276 | → |
| Lemont Furnace | Census-Designated Place | Fayette | 775 | 864 | 827 | 715 | → |
| Lemoyne | Borough | Cumberland | 4,202 | 4,068 | 4,541 | 4,670 | → |
| Lenape Heights | Census-Designated Place | Armstrong | 1,282 | 1,212 | 1,167 | 1,144 | → |
| Lenhartsville | Borough | Berks | 208 | 172 | 172 | 178 | → |
| Lenkerville | Census-Designated Place | Dauphin | 483 | 477 | 550 | 504 | → |
| Leola | Census-Designated Place | Lancaster | 5,724 | 6,625 | 7,214 | 7,465 | → |
| LeRaysville | Borough | Bradford | 300 | 318 | 285 | 290 | → |
| Level Green | Census-Designated Place | Westmoreland | 3,609 | 3,837 | 4,020 | 3,898 | → |
| Levittown | Census-Designated Place | Bucks | 55,362 | 53,966 | 52,983 | 52,699 | → |
| Lewis Run | Borough | McKean | 582 | 591 | 606 | 580 | → |
| Lewisberry | Borough | York | 294 | 388 | 361 | 382 | → |
| Lewisburg | Borough | Union | 5,801 | 5,609 | 5,793 | 5,161 | → |
| Lewistown | Borough | Mifflin | 9,318 | 8,875 | 8,340 | 8,570 | → |
| Liberty | Borough | Allegheny | 2,789 | 2,654 | 2,552 | 2,357 | → |
| Liberty | Borough | Tioga | 188 | 334 | 244 | 231 | → |
| Lightstreet | Census-Designated Place | Columbia | 928 | 1,009 | 1,093 | 1,098 | → |
| Ligonier | Borough | Westmoreland | 1,714 | 1,755 | 1,569 | 1,514 | → |
| Lilly | Borough | Cambria | 1,258 | 977 | 966 | 872 | → |
| Lima | Census-Designated Place | Delaware | 2,670 | 3,225 | 2,735 | 2,745 | → |
| Lime Ridge | Census-Designated Place | Columbia | 954 | 876 | 835 | 823 | → |
| Lincoln | Borough | Allegheny | 1,195 | 1,204 | 1,064 | 931 | → |
| Lincoln Park | Census-Designated Place | Berks | 1,630 | 1,512 | 1,615 | 1,736 | → |
| Lincoln University | Census-Designated Place | Chester | 948 | 1,286 | 1,726 | 1,739 | → |
| Lincolnville | Census-Designated Place | Crawford | 64 | 112 | 96 | 86 | → |
| Linds Crossing | Census-Designated Place | Blair | 53 | 137 | 5 | 142 | → |
| Linesville | Borough | Crawford | 1,166 | 1,155 | 1,036 | 961 | → |
| Linglestown | Census-Designated Place | Dauphin | 5,862 | 6,414 | 6,334 | 6,539 | → |
| Linntown | Census-Designated Place | Union | 1,640 | 1,542 | 1,489 | 1,695 | → |
| Linwood | Census-Designated Place | Delaware | 4,347 | 4,190 | 4,053 | 3,949 | → |
| Lionville | Census-Designated Place | Chester | 6,393 | 6,298 | 6,189 | 6,582 | → |
| Lititz | Borough | Lancaster | 8,334 | 8,925 | 9,165 | 9,347 | → |
| Little Britain | Census-Designated Place | Lancaster | 205 | 279 | 372 | 406 | → |
| Little Meadows | Borough | Susquehanna | 326 | 294 | 273 | 246 | → |
| Littlestown | Borough | Adams | 3,006 | 4,031 | 4,434 | 4,789 | → |
| Liverpool | Borough | Perry | 938 | 884 | 947 | 958 | → |
| Lock Haven | City | Clinton | 9,274 | 9,317 | 9,765 | 8,112 | → |
| Locustdale | Census-Designated Place | Columbia / Schuylkill | 94 | 105 | 177 | 171 | → |
| Loganton | Borough | Clinton | 443 | 447 | 475 | 467 | → |
| Loganville | Borough | York | 949 | 885 | 1,243 | 1,414 | → |
| Long Branch | Borough | Washington | 496 | 535 | 447 | 420 | → |
| Longfellow | Census-Designated Place | Mifflin | 82 | 89 | 215 | 183 | → |
| Loop | Census-Designated Place | Blair | 625 | 1,232 | 1,202 | 1,590 | → |
| Lorain | Borough | Cambria | 777 | 756 | 760 | 596 | → |
| Lorane | Census-Designated Place | Berks | 3,201 | 3,845 | 4,236 | 4,290 | → |
| Loretto | Borough | Cambria | 1,072 | 1,177 | 1,302 | 1,183 | → |
| Lower Allen | Census-Designated Place | Cumberland | 6,329 | 6,619 | 6,694 | 7,465 | → |
| Lower Burrell | City | Westmoreland | 12,240 | 12,623 | 11,761 | 11,763 | → |
| Loyalhanna | Census-Designated Place | Westmoreland | 3,708 | 3,415 | 3,428 | 3,409 | → |
| Lucerne Mines | Census-Designated Place | Indiana | 1,074 | 951 | 937 | 892 | → |
| Lumber City | Census-Designated Place | Mifflin | 136 | 116 | 255 | 252 | → |
| Luzerne | Borough | Luzerne | 3,224 | 2,953 | 2,843 | 2,710 | → |
| Lykens | Borough | Dauphin | 2,019 | 1,947 | 1,780 | 1,870 | → |
| Lynnwood-Pricedale | Census-Designated Place | Westmoreland / Fayette | 2,664 | 2,168 | 2,031 | 2,074 | → |
| Lyons | Borough | Berks | 490 | 504 | 476 | 440 | → |
| Macungie | Borough | Lehigh | 2,867 | 3,039 | 3,074 | 3,257 | → |
| Madison | Borough | Westmoreland | 554 | 441 | 391 | 363 | → |
| Madisonburg | Census-Designated Place | Centre | 158 | 151 | 193 | 209 | → |
| Mahaffey | Borough | Clearfield | 290 | 403 | 373 | 322 | → |
| Mahanoy City | Borough | Schuylkill | 5,262 | 4,623 | 4,162 | 3,501 | → |
| Mainville | Census-Designated Place | Columbia | 95 | 83 | 132 | 134 | → |
| Maitland | Census-Designated Place | Mifflin | ... | ... | 357 | 323 | → |
| Malvern | Borough | Chester | 2,862 | 3,046 | 3,012 | 3,417 | → |
| Mammoth | Census-Designated Place | Westmoreland | 503 | 695 | 525 | 526 | → |
| Manchester | Borough | York | 1,814 | 2,385 | 2,798 | 2,814 | → |
| Manheim | Borough | Lancaster | 5,062 | 4,843 | 4,852 | 5,056 | → |
| Manns Choice | Borough | Bedford | 242 | 292 | 300 | 313 | → |
| Manor | Borough | Westmoreland | 2,566 | 2,734 | 3,200 | 3,581 | → |
| Manorville | Borough | Armstrong | 417 | 396 | 410 | 377 | → |
| Mansfield | Borough | Tioga | 3,573 | 3,497 | 3,630 | 2,847 | → |
| Maple Glen | Census-Designated Place | Montgomery | 5,881 | 7,042 | 6,742 | 6,647 | → |
| Mapleton | Borough | Huntingdon | 529 | 470 | 439 | 417 | → |
| Mapletown | Census-Designated Place | Greene | 68 | 87 | 130 | 125 | → |
| Marcus Hook | Borough | Delaware | 2,500 | 2,314 | 2,397 | 2,457 | → |
| Marianna | Borough | Washington | 617 | 615 | 494 | 396 | → |
| Marianne | Census-Designated Place | Clarion | 1,042 | 1,074 | 1,167 | 1,063 | → |
| Marienville | Census-Designated Place | Forest | 657 | 446 | 3,137 | 3,362 | → |
| Marietta | Borough | Lancaster | 2,771 | 2,695 | 2,588 | 2,624 | → |
| Marion | Census-Designated Place | Franklin | 826 | 815 | 953 | 851 | → |
| Marion Center | Borough | Indiana | 476 | 418 | 451 | 405 | → |
| Marion Heights | Borough | Northumberland | 837 | 736 | 610 | 560 | → |
| Marklesburg | Borough | Huntingdon | 163 | 206 | 204 | 186 | → |
| Markleysburg | Borough | Fayette | 320 | 273 | 292 | 244 | → |
| Marlin | Census-Designated Place | Schuylkill | 268 | 343 | 327 | 299 | → |
| Mars | Borough | Butler | 1,764 | 1,739 | 1,699 | 1,461 | → |
| Marshallton | Census-Designated Place | Chester | 277 | 196 | 196 | 500 | → |
| Marshallton | Census-Designated Place | Northumberland | 1,482 | 1,437 | 1,441 | 1,348 | → |
| Martins Creek | Census-Designated Place | Northampton | 666 | 490 | 631 | 664 | → |
| Martinsburg | Borough | Blair | 2,175 | 2,434 | 1,986 | 1,871 | → |
| Martinsburg Junction | Census-Designated Place | Blair | 22 | 26 | 22 | 35 | → |
| Marysville | Borough | Perry | 2,430 | 2,326 | 2,534 | 2,655 | → |
| Masontown | Borough | Fayette | 3,775 | 3,643 | 3,463 | 3,270 | → |
| Masthope | Census-Designated Place | Pike | 287 | 288 | 685 | 681 | → |
| Matamoras | Borough | Pike | 1,934 | 2,317 | 2,469 | 2,363 | → |
| Mather | Census-Designated Place | Greene | 591 | 540 | 737 | 659 | → |
| Mattawana | Census-Designated Place | Mifflin | 70 | 97 | 276 | 193 | → |
| Maxatawny | Census-Designated Place | Berks | ... | ... | 13 | 130 | → |
| Mayfield | Borough | Lackawanna | 1,946 | 1,764 | 1,809 | 1,770 | → |
| Maytown | Census-Designated Place | Lancaster | 1,720 | 2,604 | 3,824 | 4,098 | → |
| McAdoo | Borough | Schuylkill | 2,647 | 2,286 | 2,300 | 2,466 | → |
| McAlisterville | Census-Designated Place | Juniata | 683 | 877 | 971 | 920 | → |
| McClure | Borough | Snyder | 1,070 | 977 | 942 | 891 | → |
| McConnellsburg | Borough | Fulton | 1,266 | 1,296 | 1,054 | 1,146 | → |
| McConnellstown | Census-Designated Place | Huntingdon | 808 | 743 | 1,194 | 1,208 | → |
| McDonald | Borough | Washington / Allegheny | 2,267 | 2,302 | 2,143 | 2,057 | → |
| McElhattan | Census-Designated Place | Clinton | 525 | 940 | 1,282 | 1,224 | → |
| McEwensville | Borough | Northumberland | 276 | 302 | 281 | 287 | → |
| McGovern | Census-Designated Place | Washington | 2,571 | 2,620 | 2,839 | 3,621 | → |
| McKean | Borough | Erie | 416 | 386 | 390 | 473 | → |
| McKeansburg | Census-Designated Place | Schuylkill | 174 | 155 | 163 | 169 | → |
| McKee | Census-Designated Place | Blair | 289 | 254 | 260 | 262 | → |
| McKees Rocks | Borough | Allegheny | 7,850 | 6,588 | 6,084 | 5,919 | → |
| McKeesport | City | Allegheny | 26,016 | 24,095 | 19,730 | 17,734 | → |
| McKinley | Census-Designated Place | Montgomery | 2,899 | 2,915 | 2,937 | 3,128 | → |
| McKnightstown | Census-Designated Place | Adams | 369 | 384 | 366 | 387 | → |
| McMurray | Census-Designated Place | Washington | 4,082 | 4,726 | 4,647 | 4,736 | → |
| McSherrystown | Borough | Adams | 2,782 | 2,695 | 3,036 | 3,079 | → |
| McVeytown | Borough | Mifflin | 403 | 412 | 342 | 342 | → |
| Meadowlands | Census-Designated Place | Washington | 929 | 559 | 822 | 839 | → |
| Meadowood | Census-Designated Place | Butler | 3,011 | 2,912 | 2,693 | 2,729 | → |
| Meadville | City | Crawford | 14,556 | 13,664 | 13,394 | 13,035 | → |
| Mechanicsburg | Borough | Cumberland | 9,250 | 8,995 | 8,934 | 9,342 | → |
| Mechanicsville | Borough | Schuylkill | 523 | 508 | 457 | 450 | → |
| Media | Borough | Delaware | 5,863 | 5,514 | 5,434 | 5,885 | → |
| Mercer | Borough | Mercer | 2,582 | 2,184 | 2,042 | 1,985 | → |
| Mercersburg | Borough | Franklin | 1,657 | 1,499 | 1,549 | 1,506 | → |
| Meridian | Census-Designated Place | Butler | 3,473 | 3,794 | 3,881 | 3,760 | → |
| Merion Station | Census-Designated Place | Montgomery | 5,636 | 5,502 | 5,169 | 5,741 | → |
| Mertztown | Census-Designated Place | Berks | 739 | 662 | 664 | 600 | → |
| Meshoppen | Borough | Wyoming | 439 | 459 | 563 | 326 | → |
| Messiah College | Census-Designated Place | Cumberland | 1,896 | 2,174 | 2,215 | 2,841 | → |
| Mexico | Census-Designated Place | Juniata | 306 | 375 | 472 | 398 | → |
| Meyersdale | Borough | Somerset | 2,621 | 2,429 | 2,264 | 2,072 | → |
| Middleburg | Borough | Snyder | 1,397 | 1,336 | 1,303 | 1,326 | → |
| Middleport | Borough | Schuylkill | 602 | 460 | 397 | 358 | → |
| Middletown | Borough | Dauphin | 9,169 | 9,382 | 8,940 | 9,535 | → |
| Middletown | Census-Designated Place | Northampton | 6,866 | 7,378 | 7,441 | 7,529 | → |
| Midland | Borough | Beaver | 3,317 | 3,141 | 2,634 | 2,433 | → |
| Midway | Census-Designated Place | Adams | 1,025 | 1,012 | 1,009 | 1,059 | → |
| Midway | Borough | Washington | 1,086 | 946 | 913 | 923 | → |
| Mifflin | Borough | Juniata | 665 | 625 | 633 | 532 | → |
| Mifflinburg | Borough | Union | 3,766 | 3,626 | 3,515 | 3,489 | → |
| Mifflintown | Borough | Juniata | 893 | 866 | 936 | 841 | → |
| Mifflinville | Census-Designated Place | Columbia | 1,329 | 1,213 | 1,253 | 1,233 | → |
| Milesburg | Borough | Centre | 1,161 | 1,155 | 1,099 | 1,085 | → |
| Milford | Borough | Pike | 1,180 | 1,122 | 1,022 | 1,104 | → |
| Milford Square | Census-Designated Place | Bucks | 547 | 848 | 897 | 1,137 | → |
| Mill Creek | Borough | Huntingdon | 392 | 259 | 328 | 286 | → |
| Mill Hall | Borough | Clinton | 1,698 | 1,612 | 1,621 | 1,476 | → |
| Mill Run | Census-Designated Place | Blair | 135 | 170 | 93 | 231 | → |
| Mill Village | Borough | Erie | 429 | 429 | 410 | 393 | → |
| Millbourne | Borough | Delaware | 826 | 944 | 1,159 | 1,212 | → |
| Millersburg | Borough | Dauphin | 2,748 | 2,574 | 2,529 | 2,542 | → |
| Millerstown | Census-Designated Place | Blair | ... | ... | ... | 22 | → |
| Millerstown | Borough | Perry | 647 | 714 | 669 | 689 | → |
| Millersville | Borough | Lancaster | 8,105 | 7,769 | 8,129 | 7,897 | → |
| Millerton | Census-Designated Place | Tioga | 276 | 394 | 316 | 318 | → |
| Millheim | Borough | Centre | 856 | 924 | 892 | 832 | → |
| Millsboro | Census-Designated Place | Washington | 707 | 697 | 666 | 580 | → |
| Millvale | Borough | Allegheny | 4,282 | 4,094 | 3,805 | 3,375 | → |
| Millville | Borough | Columbia | 969 | 1,057 | 949 | 975 | → |
| Millwood | Census-Designated Place | Westmoreland | 578 | 544 | 566 | 483 | → |
| Milroy | Census-Designated Place | Mifflin | 1,495 | 1,479 | 1,498 | 1,550 | → |
| Milton | Borough | Northumberland | 6,824 | 6,641 | 6,896 | 6,620 | → |
| Minersville | Borough | Schuylkill | 4,980 | 4,536 | 4,398 | 4,380 | → |
| Mingoville | Census-Designated Place | Centre | 109 | 103 | 503 | 527 | → |
| Misericordia University | Census-Designated Place | Luzerne | 839 | 532 | 1,346 | 1,064 | → |
| Mocanaqua | Census-Designated Place | Luzerne | 722 | 660 | 646 | 515 | → |
| Modena | Borough | Chester | 563 | 593 | 537 | 541 | → |
| Mohnton | Borough | Berks | 2,516 | 2,975 | 2,997 | 2,918 | → |
| Mohrsville | Census-Designated Place | Berks | 349 | 275 | 361 | 469 | → |
| Monaca | Borough | Beaver | 6,741 | 6,270 | 5,737 | 5,623 | → |
| Monessen | City | Westmoreland | 9,811 | 8,665 | 7,717 | 6,871 | → |
| Monongahela | City | Washington | 4,901 | 4,749 | 4,300 | 4,149 | → |
| Monroe | Borough | Bradford | 534 | 522 | 549 | 481 | → |
| Monroeville | Municipality | Allegheny | 29,044 | 29,370 | 28,348 | 28,646 | → |
| Mont Alto | Borough | Franklin | 1,365 | 1,393 | 1,715 | 1,576 | → |
| Mont Clare | Census-Designated Place | Montgomery | 1,741 | 1,781 | 1,687 | 1,852 | → |
| Montandon | Census-Designated Place | Northumberland | 526 | 542 | 903 | 873 | → |
| Montgomery | Borough | Lycoming | 1,537 | 1,670 | 1,572 | 1,570 | → |
| Montgomeryville | Census-Designated Place | Montgomery | 9,114 | 12,031 | 12,624 | 12,998 | → |
| Montoursville | Borough | Lycoming | 4,992 | 4,777 | 4,615 | 4,747 | → |
| Montrose | Borough | Susquehanna | 2,065 | 1,708 | 1,624 | 1,294 | → |
| Montrose Manor | Census-Designated Place | Berks | 566 | 535 | 604 | 717 | → |
| Monument | Census-Designated Place | Centre | 83 | 133 | 150 | 171 | → |
| Moores Mill | Census-Designated Place | Blair | ... | ... | ... | 57 | → |
| Moose Run | Census-Designated Place | Centre | ... | ... | 73 | 171 | → |
| Moosic | Borough | Lackawanna | 5,447 | 5,143 | 5,719 | 5,957 | → |
| Morea | Census-Designated Place | Schuylkill | 217 | 272 | 218 | 200 | → |
| Morgan Hill | Census-Designated Place | Northampton | 474 | 224 | 605 | 1,034 | → |
| Morgantown | Census-Designated Place | Berks / Lancaster | 861 | 985 | 1,484 | 1,614 | → |
| Morrisdale | Census-Designated Place | Clearfield | 496 | 593 | 754 | 684 | → |
| Morrisville | Borough | Bucks | 10,188 | 10,066 | 8,728 | 9,810 | → |
| Morrisville | Census-Designated Place | Greene | 1,365 | 1,443 | 1,265 | 1,209 | → |
| Morton | Borough | Delaware | 2,725 | 2,743 | 2,654 | 2,771 | → |
| Moscow | Borough | Lackawanna | 1,540 | 1,888 | 2,025 | 2,025 | → |
| Moshannon | Census-Designated Place | Centre | ... | 90 | 281 | 213 | → |
| Mount Aetna | Census-Designated Place | Berks | 286 | 206 | 354 | 489 | → |
| Mount Carbon | Borough | Schuylkill | 151 | 102 | 91 | 89 | → |
| Mount Carmel | Borough | Northumberland | 7,208 | 6,346 | 5,891 | 5,737 | → |
| Mount Cobb | Census-Designated Place | Lackawanna | 1,645 | 1,755 | 1,799 | 1,763 | → |
| Mount Eagle | Census-Designated Place | Centre | ... | ... | 103 | 89 | → |
| Mount Gretna | Borough | Lebanon | 303 | 242 | 198 | 189 | → |
| Mount Gretna Heights | Census-Designated Place | Lebanon | 229 | 360 | 323 | 297 | → |
| Mount Holly Springs | Borough | Cumberland | 1,948 | 1,875 | 2,025 | 1,997 | → |
| Mount Jewett | Borough | McKean | 1,051 | 1,029 | 914 | 854 | → |
| Mount Joy | Borough | Lancaster | 6,478 | 6,760 | 7,386 | 8,325 | → |
| Mount Morris | Census-Designated Place | Greene | 943 | 942 | 737 | 645 | → |
| Mount Oliver | Borough | Allegheny | 4,146 | 3,971 | 3,412 | 3,390 | → |
| Mount Penn | Borough | Berks | 2,900 | 3,022 | 3,034 | 3,241 | → |
| Mount Pleasant | Borough | Westmoreland | 4,715 | 4,705 | 4,429 | 4,251 | → |
| Mount Pleasant Mills | Census-Designated Place | Snyder | 350 | 394 | 507 | 453 | → |
| Mount Pocono | Borough | Monroe | 1,808 | 2,756 | 3,179 | 3,090 | → |
| Mount Union | Borough | Huntingdon | 2,878 | 2,526 | 2,448 | 2,307 | → |
| Mount Wolf | Borough | York | 1,383 | 1,333 | 1,397 | 1,370 | → |
| Mountain Top | Census-Designated Place | Luzerne | 7,726 | 9,831 | 10,982 | 11,489 | → |
| Mountainhome | Census-Designated Place | Monroe | 1,042 | 1,169 | 1,182 | 1,202 | → |
| Mountville | Borough | Lancaster | 1,985 | 2,380 | 2,807 | 3,021 | → |
| Muhlenberg Park | Census-Designated Place | Berks | 1,136 | 1,259 | 1,420 | 1,544 | → |
| Muir | Census-Designated Place | Schuylkill | 304 | 273 | 451 | 429 | → |
| Muncy | Borough | Lycoming | 2,832 | 2,632 | 2,480 | 2,442 | → |
| Mundys Corner | Census-Designated Place | Cambria | 1,847 | 1,768 | 1,651 | 1,532 | → |
| Munhall | Borough | Allegheny | 13,181 | 12,268 | 11,381 | 10,781 | → |
| Murrysville | Municipality | Westmoreland | 17,251 | 18,950 | 20,054 | 20,989 | → |
| Muse | Census-Designated Place | Washington | 1,015 | 1,539 | 2,504 | 2,525 | → |
| Myerstown | Borough | Lebanon | 3,289 | 3,313 | 3,050 | 3,102 | → |
| Nanticoke | City | Luzerne | 12,646 | 10,897 | 10,461 | 10,632 | → |
| Nanty-Glo | Borough | Cambria | 3,314 | 3,059 | 2,729 | 2,493 | → |
| Naomi | Census-Designated Place | Fayette | 103 | 83 | 69 | 53 | → |
| Narberth | Borough | Montgomery | 4,284 | 4,233 | 4,240 | 4,494 | → |
| Nazareth | Borough | Northampton | 5,811 | 6,028 | 5,745 | 6,052 | → |
| Nealmont | Census-Designated Place | Blair | 47 | 43 | 44 | 53 | → |
| Needmore | Census-Designated Place | Fulton | 141 | 133 | 170 | 153 | → |
| Nemacolin | Census-Designated Place | Greene | 1,132 | 1,034 | 937 | 826 | → |
| Nescopeck | Borough | Luzerne | 1,654 | 1,530 | 1,569 | 1,483 | → |
| Nesquehoning | Borough | Carbon | 3,360 | 3,291 | 3,349 | 3,337 | → |
| New Albany | Borough | Bradford | 297 | 306 | 356 | 258 | → |
| New Alexandria | Borough | Westmoreland | 451 | 751 | 555 | 497 | → |
| New Baltimore | Borough | Somerset | 156 | 168 | 182 | 137 | → |
| New Beaver | Borough | Lawrence | 1,736 | 1,674 | 1,515 | 1,371 | → |
| New Bedford | Census-Designated Place | Lawrence | 828 | 786 | 925 | 857 | → |
| New Berlin | Borough | Union | 909 | 836 | 846 | 796 | → |
| New Berlinville | Census-Designated Place | Berks | 1,235 | 1,434 | 1,368 | 1,382 | → |
| New Bethlehem | Borough | Clarion | 1,147 | 1,093 | 989 | 976 | → |
| New Boston | Census-Designated Place | Schuylkill | 182 | 175 | 100 | 231 | → |
| New Brighton | Borough | Beaver | 6,758 | 6,693 | 6,022 | 5,659 | → |
| New Britain | Borough | Bucks | 2,307 | 2,996 | 2,967 | 2,834 | → |
| New Buffalo | Borough | Perry | 119 | 118 | 124 | 124 | → |
| New Castle | City | Lawrence | 28,400 | 26,383 | 23,294 | 21,933 | → |
| New Castle Northwest | Census-Designated Place | Lawrence | 1,515 | 1,535 | 1,413 | 1,397 | → |
| New Centerville | Borough | Somerset | 119 | 134 | 136 | 127 | → |
| New Columbia | Census-Designated Place | Union | 615 | 1,113 | 1,013 | 1,024 | → |
| New Columbus | Borough | Luzerne | 228 | 211 | 231 | 219 | → |
| New Cumberland | Borough | Cumberland | 7,655 | 7,398 | 7,279 | 7,517 | → |
| New Eagle | Borough | Washington | 2,300 | 2,234 | 2,189 | 2,055 | → |
| New Florence | Borough | Westmoreland | 857 | 775 | 687 | 672 | → |
| New Freedom | Borough | York | 2,959 | 3,517 | 4,460 | 4,877 | → |
| New Freeport | Census-Designated Place | Greene | ... | 48 | 112 | 77 | → |
| New Galilee | Borough | Beaver | 517 | 422 | 378 | 329 | → |
| New Holland | Borough | Lancaster | 4,493 | 5,157 | 5,387 | 5,773 | → |
| New Hope | Borough | Bucks | 1,448 | 2,324 | 2,528 | 2,611 | → |
| New Jerusalem | Census-Designated Place | Berks | 544 | 346 | 649 | 598 | → |
| New Kensington | City | Westmoreland | 15,893 | 14,666 | 13,116 | 12,169 | → |
| New Kingstown | Census-Designated Place | Cumberland | 455 | 539 | 495 | 709 | → |
| New Lebanon | Borough | Mercer | 208 | 205 | 189 | 185 | → |
| New Market | Census-Designated Place | York | 861 | 790 | 816 | 705 | → |
| New Milford | Borough | Susquehanna | 976 | 886 | 868 | 814 | → |
| New Morgan | Borough | Berks | 88 | 227 | 71 | 51 | → |
| New Oxford | Borough | Adams | 1,629 | 1,678 | 1,783 | 1,868 | → |
| New Paris | Borough | Bedford | 218 | 217 | 183 | 194 | → |
| New Philadelphia | Borough | Schuylkill | 1,285 | 1,153 | 1,086 | 1,057 | → |
| New Ringgold | Borough | Schuylkill | 315 | 291 | 276 | 251 | → |
| New Salem | Census-Designated Place | Fayette | 571 | 510 | 579 | 499 | → |
| New Salem | Borough | York | 672 | 722 | 725 | 822 | → |
| New Schaefferstown | Census-Designated Place | Berks | 131 | 161 | 223 | 213 | → |
| New Stanton | Borough | Westmoreland | 2,077 | 1,908 | 2,179 | 2,337 | → |
| New Tripoli | Census-Designated Place | Lehigh | 462 | 654 | 898 | 840 | → |
| New Washington | Borough | Clearfield | 78 | 89 | 59 | 52 | → |
| New Wilmington | Borough | Lawrence | 2,717 | 2,436 | 2,466 | 2,095 | → |
| Newburg | Census-Designated Place | Blair | 345 | 297 | 413 | 353 | → |
| Newburg | Borough | Clearfield | 117 | 87 | 92 | 83 | → |
| Newburg | Borough | Cumberland | 285 | 346 | 336 | 350 | → |
| Newell | Borough | Fayette | 518 | 564 | 525 | 514 | → |
| Newmanstown | Census-Designated Place | Lebanon | 1,410 | 1,536 | 2,478 | 2,834 | → |
| Newport | Borough | Perry | 1,649 | 1,510 | 1,572 | 1,488 | → |
| Newry | Borough | Blair | 289 | 243 | 266 | 225 | → |
| Newton Hamilton | Borough | Mifflin | 289 | 271 | 205 | 196 | → |
| Newtown | Borough | Bucks | 2,607 | 2,314 | 2,252 | 2,264 | → |
| Newtown | Census-Designated Place | Schuylkill | 274 | 244 | 243 | 244 | → |
| Newtown Grant | Census-Designated Place | Bucks | 2,400 | 5,525 | 5,627 | 5,855 | → |
| Newville | Borough | Cumberland | 1,382 | 1,346 | 1,329 | 1,388 | → |
| Nicholson | Borough | Wyoming | 868 | 719 | 765 | 696 | → |
| Nittany | Census-Designated Place | Centre | 623 | 549 | 658 | 624 | → |
| Nixon | Census-Designated Place | Butler | 1,342 | 1,404 | 1,373 | 1,393 | → |
| Noblestown | Census-Designated Place | Allegheny | 341 | 182 | 575 | 797 | → |
| Norristown | Borough | Montgomery | 30,505 | 31,413 | 34,341 | 35,744 | → |
| North Apollo | Borough | Armstrong | 1,410 | 1,416 | 1,299 | 1,255 | → |
| North Belle Vernon | Borough | Westmoreland | 2,139 | 2,101 | 1,983 | 1,875 | → |
| North Bend | Census-Designated Place | Clinton | 387 | 396 | 258 | 323 | → |
| North Braddock | Borough | Allegheny | 7,138 | 6,313 | 4,858 | 4,319 | → |
| North Catasauqua | Borough | Northampton | 2,877 | 2,858 | 2,846 | 2,974 | → |
| North Charleroi | Borough | Washington | 1,472 | 1,438 | 1,323 | 1,304 | → |
| North East | Borough | Erie | 4,611 | 4,543 | 4,280 | 4,099 | → |
| North Irwin | Borough | Westmoreland | 951 | 886 | 840 | 823 | → |
| North Philipsburg | Census-Designated Place | Centre | 844 | 697 | 660 | 617 | → |
| North Vandergrift | Census-Designated Place | Armstrong | 475 | 414 | 447 | 374 | → |
| North Wales | Borough | Montgomery | 3,793 | 3,336 | 3,230 | 3,429 | → |
| North Warren | Census-Designated Place | Warren | 2,545 | 2,168 | 1,934 | 1,855 | → |
| North York | Borough | York | 1,781 | 1,783 | 1,912 | 2,199 | → |
| Northampton | Borough | Northampton | 8,748 | 9,426 | 9,898 | 10,383 | → |
| Northern Cambria | Borough | Cambria | 4,580 | 4,226 | 3,837 | 3,549 | → |
| Northumberland | Borough | Northumberland | 3,953 | 3,846 | 3,786 | 3,910 | → |
| Northwest Harborcreek | Census-Designated Place | Erie | 7,983 | 8,658 | 8,949 | 8,772 | → |
| Northwood | Census-Designated Place | Blair | 226 | 180 | 296 | 269 | → |
| Norvelt | Census-Designated Place | Westmoreland | 1,049 | 710 | 948 | 846 | → |
| Norwood | Borough | Delaware | 6,166 | 5,986 | 5,951 | 5,942 | → |
| Nottingham | Census-Designated Place | Chester | 799 | 957 | 1,185 | 1,260 | → |
| Noxen | Census-Designated Place | Wyoming | 513 | 520 | 633 | 643 | → |
| Nuangola | Borough | Luzerne | 728 | 694 | 695 | 663 | → |
| Numidia | Census-Designated Place | Columbia | 221 | 254 | 244 | 274 | → |
| Nuremberg | Census-Designated Place | Schuylkill / Luzerne | 294 | 338 | 434 | 415 | → |
| Oak Hills | Census-Designated Place | Butler | 2,245 | 2,335 | 2,333 | 2,382 | → |
| Oakdale | Borough | Allegheny | 1,877 | 1,543 | 1,455 | 1,479 | → |
| Oakland | Census-Designated Place | Cambria | 1,917 | 1,741 | 1,578 | 1,481 | → |
| Oakland | Census-Designated Place | Lawrence | 1,766 | 1,516 | 1,569 | 1,437 | → |
| Oakland | Borough | Susquehanna | 859 | 596 | 618 | 562 | → |
| Oakmont | Borough | Allegheny | 6,956 | 6,912 | 6,303 | 6,760 | → |
| Oakwood | Census-Designated Place | Lawrence | 2,541 | 2,249 | 2,270 | 2,215 | → |
| Oberlin | Census-Designated Place | Dauphin | 478 | 490 | 588 | 670 | → |
| Ohiopyle | Borough | Fayette | 81 | 79 | 63 | 38 | → |
| Ohioville | Borough | Beaver | 3,883 | 3,769 | 3,471 | 3,351 | → |
| Oil City | City | Venango | 12,066 | 11,562 | 10,549 | 9,609 | → |
| Oklahoma | Census-Designated Place | Clearfield | 601 | 449 | 782 | 759 | → |
| Oklahoma | Borough | Westmoreland | 912 | 914 | 791 | 789 | → |
| Old Forge | Borough | Lackawanna | 8,930 | 8,811 | 8,306 | 8,499 | → |
| Old Orchard | Census-Designated Place | Northampton | 2,598 | 2,443 | 2,434 | 2,406 | → |
| Oley | Census-Designated Place | Berks | 1,288 | 1,329 | 1,282 | 1,244 | → |
| Oliver | Census-Designated Place | Fayette | 3,271 | 2,925 | 2,535 | 2,538 | → |
| Olivia | Census-Designated Place | Blair | ... | ... | 26 | 66 | → |
| Olyphant | Borough | Lackawanna | 5,195 | 4,998 | 5,153 | 5,380 | → |
| Oneida | Census-Designated Place | Schuylkill | 177 | 147 | 150 | 263 | → |
| Orangeville | Borough | Columbia | 507 | 422 | 500 | 476 | → |
| Orbisonia | Borough | Huntingdon | 432 | 424 | 426 | 446 | → |
| Orchard Hills | Census-Designated Place | Armstrong | 2,275 | 2,152 | 1,952 | 1,949 | → |
| Ore Hill | Census-Designated Place | Blair | 66 | 55 | 65 | 106 | → |
| Oreland | Census-Designated Place | Montgomery | 5,695 | 5,509 | 5,678 | 6,210 | → |
| Oreminea | Census-Designated Place | Blair | 28 | 43 | 26 | 62 | → |
| Orrstown | Borough | Franklin | 208 | 236 | 262 | 214 | → |
| Orrtanna | Census-Designated Place | Adams | 178 | 169 | 173 | 183 | → |
| Orviston | Census-Designated Place | Centre | 62 | 35 | 95 | 64 | → |
| Orwigsburg | Borough | Schuylkill | 2,816 | 3,096 | 3,102 | 2,996 | → |
| Orwin | Census-Designated Place | Schuylkill | 300 | 200 | 314 | 304 | → |
| Osceola Mills | Borough | Clearfield | 1,339 | 1,341 | 1,141 | 1,046 | → |
| Oswayo | Borough | Potter | 158 | 161 | 139 | 132 | → |
| Oval | Census-Designated Place | Lycoming | 108 | 184 | 361 | 366 | → |
| Oxford | Borough | Chester | 3,776 | 4,291 | 5,090 | 5,732 | → |
| Paint | Borough | Somerset | 1,118 | 1,024 | 1,002 | 909 | → |
| Palmdale | Census-Designated Place | Dauphin | 1,373 | 1,298 | 1,308 | 1,308 | → |
| Palmer Heights | Census-Designated Place | Northampton | 3,960 | 3,612 | 3,762 | 3,734 | → |
| Palmerton | Borough | Carbon | 5,400 | 5,204 | 5,414 | 5,597 | → |
| Palmyra | Borough | Lebanon | 6,921 | 7,115 | 7,319 | 7,829 | → |
| Palo Alto | Borough | Schuylkill | 1,247 | 1,058 | 1,032 | 967 | → |
| Paoli | Census-Designated Place | Chester | 5,603 | 5,425 | 5,575 | 6,002 | → |
| Paradise | Census-Designated Place | Lancaster | 1,043 | 1,028 | 1,129 | 1,305 | → |
| Pardeesville | Census-Designated Place | Luzerne | 358 | 378 | 572 | 574 | → |
| Paris | Census-Designated Place | Washington | 874 | 608 | 732 | 667 | → |
| Park Crest | Census-Designated Place | Schuylkill | 600 | 579 | 574 | 591 | → |
| Park Forest Village | Census-Designated Place | Centre | 6,703 | 8,830 | 9,660 | 8,831 | → |
| Parker | City | Armstrong | 853 | 796 | 843 | 700 | → |
| Parkesburg | Borough | Chester | 3,061 | 3,398 | 3,591 | 3,863 | → |
| Parkside | Borough | Delaware | 2,344 | 2,272 | 2,326 | 2,326 | → |
| Parkville | Census-Designated Place | York | 6,014 | 6,593 | 6,706 | 8,263 | → |
| Parryville | Borough | Carbon | 475 | 461 | 522 | 413 | → |
| Patterson Heights | Borough | Beaver | 563 | 680 | 633 | 638 | → |
| Patton | Borough | Cambria | 2,262 | 2,022 | 1,760 | 1,729 | → |
| Paxtang | Borough | Dauphin | 1,601 | 1,579 | 1,561 | 1,643 | → |
| Paxtonia | Census-Designated Place | Dauphin | 4,862 | 5,254 | 5,412 | 5,450 | → |
| Paxtonville | Census-Designated Place | Snyder | 216 | 191 | 265 | 314 | → |
| Pen Argyl | Borough | Northampton | 3,579 | 3,537 | 3,589 | 3,521 | → |
| Pen Mar | Census-Designated Place | Franklin | 771 | 711 | 929 | 947 | → |
| Penbrook | Borough | Dauphin | 2,828 | 3,058 | 3,001 | 3,267 | → |
| Penn | Borough | Westmoreland | 460 | 427 | 475 | 436 | → |
| Penn Estates | Census-Designated Place | Monroe | 498 | 2,327 | 4,493 | 4,546 | → |
| Penn Farms | Census-Designated Place | Blair | 1,099 | 1,829 | 1,933 | 2,307 | → |
| Penn Lake Park | Borough | Luzerne | 242 | 260 | 317 | 360 | → |
| Penn State Berks | Census-Designated Place | Berks | ... | ... | 804 | 668 | → |
| Penn State Erie (Behrend) | Census-Designated Place | Erie | 1,066 | 488 | 1,629 | 1,486 | → |
| Penn Wynne | Census-Designated Place | Montgomery | 5,807 | 5,382 | 5,697 | 6,493 | → |
| Penndel | Borough | Bucks | 2,717 | 2,433 | 2,324 | 2,513 | → |
| Penns Creek | Census-Designated Place | Snyder | 407 | 552 | 715 | 694 | → |
| Pennsburg | Borough | Montgomery | 2,403 | 2,699 | 3,845 | 3,884 | → |
| Pennsbury Village | Borough | Allegheny | 774 | 738 | 661 | 676 | → |
| Pennside | Census-Designated Place | Berks | 4,616 | 4,473 | 4,625 | 5,190 | → |
| Pennville | Census-Designated Place | York | 1,646 | 1,964 | 2,077 | 2,430 | → |
| Pennwyn | Census-Designated Place | Berks | 909 | 756 | 780 | 888 | → |
| Penryn | Census-Designated Place | Lancaster | 841 | 1,032 | 1,024 | 980 | → |
| Perkasie | Borough | Bucks | 7,870 | 8,769 | 8,500 | 9,115 | → |
| Perryopolis | Borough | Fayette | 1,838 | 1,770 | 1,771 | 1,706 | → |
| Peru | Census-Designated Place | Centre | 28 | 29 | 30 | 26 | → |
| Petersburg | Borough | Huntingdon | 469 | 445 | 482 | 418 | → |
| Petrolia | Borough | Butler | 299 | 223 | 213 | 179 | → |
| Philadelphia | City | Philadelphia | 1,585,577 | 1,517,562 | 1,525,999 | 1,603,794 | → |
| Philipsburg | Borough | Centre | 3,093 | 3,197 | 2,766 | 2,781 | → |
| Phoenixville | Borough | Chester | 15,176 | 14,800 | 16,439 | 18,601 | → |
| Picture Rocks | Borough | Lycoming | 686 | 674 | 677 | 642 | → |
| Pikes Creek | Census-Designated Place | Luzerne | 297 | 345 | 269 | 260 | → |
| Pillow | Borough | Dauphin | 351 | 304 | 298 | 291 | → |
| Pine Glen | Census-Designated Place | Centre | 41 | 57 | 190 | 188 | → |
| Pine Grove | Borough | Schuylkill | 2,534 | 2,159 | 2,180 | 2,051 | → |
| Pine Grove Mills | Census-Designated Place | Centre | 920 | 1,038 | 1,502 | 1,481 | → |
| Pine Ridge | Census-Designated Place | Pike | 692 | 1,238 | 2,707 | 2,464 | → |
| Pinecroft | Census-Designated Place | Blair | 193 | 206 | 172 | 300 | → |
| Pitcairn | Borough | Allegheny | 4,091 | 3,690 | 3,284 | 3,105 | → |
| Pittsburgh | City | Allegheny | 369,962 | 334,325 | 305,306 | 302,960 | → |
| Pittston | City | Luzerne | 9,619 | 8,134 | 7,739 | 7,589 | → |
| Plainfield | Census-Designated Place | Cumberland | 465 | 376 | 399 | 443 | → |
| Plains | Census-Designated Place | Luzerne | 4,694 | 4,463 | 4,335 | 4,293 | → |
| Platea | Borough | Erie | 471 | 474 | 430 | 442 | → |
| Pleasant Gap | Census-Designated Place | Centre | 1,564 | 2,026 | 2,879 | 2,945 | → |
| Pleasant Hill | Census-Designated Place | Lebanon | 1,659 | 2,301 | 2,643 | 2,926 | → |
| Pleasant Hills | Borough | Allegheny | 8,818 | 8,630 | 8,254 | 8,504 | → |
| Pleasant View | Census-Designated Place | Armstrong | 897 | 575 | 493 | 677 | → |
| Pleasantville | Borough | Bedford | 215 | 211 | 198 | 196 | → |
| Pleasantville | Borough | Venango | 991 | 844 | 894 | 848 | → |
| Pleasureville | Census-Designated Place | York | 1,649 | 1,796 | 2,149 | 2,635 | → |
| Plum | Borough | Allegheny | 25,707 | 26,841 | 27,110 | 27,161 | → |
| Plumsteadville | Census-Designated Place | Bucks | 600 | 2,340 | 2,637 | 2,553 | → |
| Plumville | Borough | Indiana | 383 | 339 | 307 | 254 | → |
| Plymouth | Borough | Luzerne | 7,196 | 6,455 | 5,930 | 5,758 | → |
| Plymouth Meeting | Census-Designated Place | Montgomery | 6,241 | 5,593 | 6,177 | 7,452 | → |
| Plymptonville | Census-Designated Place | Clearfield | 1,074 | 1,040 | 981 | 972 | → |
| Pocono Mountain Lake Estates | Census-Designated Place | Pike | 221 | 595 | 842 | 875 | → |
| Pocono Pines | Census-Designated Place | Monroe | 872 | 1,134 | 1,637 | 2,007 | → |
| Pocono Ranch Lands | Census-Designated Place | Pike | 202 | 664 | 1,191 | 1,151 | → |
| Pocono Springs | Census-Designated Place | Wayne | 344 | 744 | 926 | 1,051 | → |
| Pocono Woodland Lakes | Census-Designated Place | Pike | 685 | 1,872 | 3,209 | 3,249 | → |
| Point Marion | Borough | Fayette | 1,349 | 1,380 | 1,165 | 1,156 | → |
| Point View | Census-Designated Place | Blair | ... | ... | ... | 14 | → |
| Polk | Borough | Venango | 1,262 | 1,031 | 818 | 634 | → |
| Pomeroy | Census-Designated Place | Chester | 464 | 607 | 934 | 1,085 | → |
| Port Allegany | Borough | McKean | 2,446 | 2,356 | 2,153 | 2,135 | → |
| Port Carbon | Borough | Schuylkill | 2,161 | 2,022 | 1,887 | 1,804 | → |
| Port Clinton | Borough | Schuylkill | 328 | 363 | 326 | 280 | → |
| Port Matilda | Borough | Centre | 664 | 640 | 599 | 591 | → |
| Port Royal | Borough | Juniata | 834 | 978 | 923 | 811 | → |
| Port Trevorton | Census-Designated Place | Snyder | 584 | 523 | 769 | 734 | → |
| Port Vue | Borough | Allegheny | 4,667 | 4,200 | 3,797 | 3,675 | → |
| Portage | Borough | Cambria | 3,119 | 2,804 | 2,632 | 2,458 | → |
| Portersville | Borough | Butler | 304 | 276 | 233 | 233 | → |
| Portland | Borough | Northampton | 516 | 578 | 519 | 487 | → |
| Potlicker Flats | Census-Designated Place | Mifflin | 140 | 112 | 172 | 174 | → |
| Potters Mills | Census-Designated Place | Centre | 117 | 303 | 289 | 263 | → |
| Pottsgrove | Census-Designated Place | Montgomery | 3,122 | 3,266 | 3,469 | 3,471 | → |
| Pottstown | Borough | Montgomery | 21,547 | 21,928 | 22,356 | 23,442 | → |
| Pottsville | City | Schuylkill | 16,895 | 15,547 | 14,321 | 13,354 | → |
| Pringle | Borough | Luzerne | 1,179 | 985 | 931 | 893 | → |
| Progress | Census-Designated Place | Dauphin | 10,398 | 10,342 | 10,419 | 11,168 | → |
| Prompton | Borough | Wayne | 240 | 306 | 248 | 236 | → |
| Prospect | Borough | Butler | 1,110 | 1,221 | 1,171 | 1,121 | → |
| Prospect Park | Census-Designated Place | Cameron | 295 | 289 | 327 | 270 | → |
| Prospect Park | Borough | Delaware | 6,697 | 6,594 | 6,454 | 6,427 | → |
| Pughtown | Census-Designated Place | Chester | 84 | 87 | 679 | 849 | → |
| Punxsutawney | Borough | Jefferson | 6,792 | 6,406 | 5,948 | 5,772 | → |
| Puzzletown | Census-Designated Place | Blair | 25 | 24 | 20 | 88 | → |
| Pymatuning Central | Census-Designated Place | Crawford | 1,400 | 2,216 | 2,269 | 2,054 | → |
| Pymatuning North | Census-Designated Place | Crawford | 271 | 325 | 311 | 301 | → |
| Pymatuning South | Census-Designated Place | Crawford | 376 | 467 | 479 | 392 | → |
| Quakertown | Borough | Bucks | 8,677 | 9,168 | 8,989 | 9,379 | → |
| Quarryville | Borough | Lancaster | 1,650 | 1,995 | 2,605 | 2,842 | → |
| Queens Gate | Census-Designated Place | York | 1,276 | 1,305 | 1,464 | 1,480 | → |
| Quentin | Census-Designated Place | Lebanon | 502 | 529 | 594 | 755 | → |
| Railroad | Borough | York | 307 | 301 | 284 | 253 | → |
| Rainsburg | Borough | Bedford | 175 | 167 | 132 | 140 | → |
| Ramblewood | Census-Designated Place | Centre | 712 | 640 | 849 | 769 | → |
| Ramey | Borough | Clearfield | 536 | 544 | 447 | 434 | → |
| Rankin | Borough | Allegheny | 2,491 | 2,315 | 2,108 | 1,891 | → |
| Ranshaw | Census-Designated Place | Northumberland | 571 | 588 | 510 | 455 | → |
| Raubsville | Census-Designated Place | Northampton | 651 | 749 | 1,088 | 1,079 | → |
| Rauchtown | Census-Designated Place | Clinton / Lycoming | 413 | 480 | 726 | 722 | → |
| Ravine | Census-Designated Place | Schuylkill | 541 | 629 | 662 | 622 | → |
| Reading | City | Berks | 77,843 | 81,082 | 87,996 | 95,100 | → |
| Reamstown | Census-Designated Place | Lancaster | 2,649 | 3,498 | 3,361 | 3,367 | → |
| Rebersburg | Census-Designated Place | Centre | 411 | 426 | 494 | 488 | → |
| Red Hill | Census-Designated Place | Blair | 23 | 18 | 18 | 82 | → |
| Red Hill | Borough | Montgomery | 1,850 | 2,207 | 2,373 | 2,505 | → |
| Red Lion | Borough | York | 6,123 | 6,163 | 6,363 | 6,516 | → |
| Reedsville | Census-Designated Place | Mifflin | 705 | 520 | 641 | 579 | → |
| Reese | Census-Designated Place | Blair | 189 | 10 | 3 | 39 | → |
| Refton | Census-Designated Place | Lancaster | 271 | 385 | 298 | 310 | → |
| Rehrersburg | Census-Designated Place | Berks | 278 | 203 | 319 | 322 | → |
| Reiffton | Census-Designated Place | Berks | 2,901 | 3,126 | 4,178 | 4,274 | → |
| Reightown | Census-Designated Place | Blair | 304 | 213 | 249 | 378 | → |
| Reinerton | Census-Designated Place | Schuylkill | 561 | 468 | 424 | 456 | → |
| Reinholds | Census-Designated Place | Lancaster | 769 | 1,594 | 1,803 | 1,786 | → |
| Rennerdale | Census-Designated Place | Allegheny | 672 | 550 | 1,150 | 1,103 | → |
| Renningers | Census-Designated Place | Schuylkill | 320 | 380 | 574 | 594 | → |
| Renovo | Borough | Clinton | 1,506 | 1,319 | 1,228 | 1,060 | → |
| Republic | Census-Designated Place | Fayette | 1,603 | 1,396 | 1,096 | 1,151 | → |
| Reservoir | Census-Designated Place | Blair | ... | 45 | 59 | 197 | → |
| Revloc | Census-Designated Place | Cambria | 557 | 425 | 570 | 531 | → |
| Rew | Census-Designated Place | McKean | 81 | 81 | 199 | 159 | → |
| Reynolds Heights | Census-Designated Place | Mercer | 2,282 | 2,195 | 2,061 | 1,974 | → |
| Reynoldsville | Borough | Jefferson | 2,793 | 2,706 | 2,757 | 2,547 | → |
| Rheems | Census-Designated Place | Lancaster | 1,209 | 1,743 | 2,268 | 2,253 | → |
| Rices Landing | Borough | Greene | 486 | 456 | 457 | 420 | → |
| Riceville | Census-Designated Place | Crawford | 72 | 82 | 68 | 58 | → |
| Richboro | Census-Designated Place | Bucks | 5,661 | 6,678 | 6,563 | 6,443 | → |
| Richfield | Census-Designated Place | Juniata / Snyder | 388 | 499 | 549 | 530 | → |
| Richland | Borough | Lebanon | 1,457 | 1,502 | 1,511 | 1,491 | → |
| Richlandtown | Borough | Bucks | 1,201 | 1,296 | 1,327 | 1,355 | → |
| Ridgway | Borough | Elk | 4,815 | 5,099 | 4,079 | 4,035 | → |
| Ridley Park | Borough | Delaware | 7,645 | 7,114 | 7,019 | 7,268 | → |
| Riegelsville | Borough | Bucks | 911 | 875 | 868 | 848 | → |
| Rimersburg | Borough | Clarion | 1,059 | 1,044 | 946 | 951 | → |
| Ringtown | Borough | Schuylkill | 865 | 819 | 799 | 721 | → |
| Riverside | Census-Designated Place | Cambria | 378 | 353 | 381 | 319 | → |
| Riverside | Borough | Northumberland | 1,997 | 1,858 | 1,927 | 2,039 | → |
| Riverview Park | Census-Designated Place | Berks | 2,291 | 2,508 | 3,380 | 3,364 | → |
| Roaring Spring | Borough | Blair | 2,590 | 2,362 | 2,568 | 2,369 | → |
| Robeson Extension | Census-Designated Place | Blair | 160 | 132 | 164 | 217 | → |
| Robesonia | Borough | Berks | 1,986 | 2,039 | 2,055 | 2,033 | → |
| Robinson | Census-Designated Place | Indiana | 495 | 455 | 614 | 583 | → |
| Rochester | Borough | Beaver | 4,245 | 4,039 | 3,657 | 3,475 | → |
| Rockhill | Borough | Huntingdon | 426 | 422 | 371 | 381 | → |
| Rockledge | Borough | Montgomery | 2,629 | 2,560 | 2,539 | 2,626 | → |
| Rockwood | Borough | Somerset | 1,044 | 933 | 889 | 843 | → |
| Rogersville | Census-Designated Place | Greene | 234 | 224 | 249 | 215 | → |
| Rohrsburg | Census-Designated Place | Columbia | 159 | 164 | 145 | 150 | → |
| Rome | Borough | Bradford | 475 | 380 | 437 | 384 | → |
| Ronco | Census-Designated Place | Fayette | 293 | 321 | 256 | 209 | → |
| Ronks | Census-Designated Place | Lancaster | 387 | 420 | 362 | 391 | → |
| Roots | Census-Designated Place | Blair | ... | 64 | 37 | 101 | → |
| Roscoe | Borough | Washington | 880 | 831 | 833 | 717 | → |
| Rose Valley | Borough | Delaware | 994 | 942 | 917 | 1,016 | → |
| Rosemont | Census-Designated Place | Montgomery / Delaware | 2,816 | 3,241 | 3,135 | 3,507 | → |
| Roseto | Borough | Northampton | 1,508 | 1,564 | 1,552 | 1,582 | → |
| Roseville | Borough | Tioga | 166 | 207 | 189 | 177 | → |
| Roslyn | Census-Designated Place | Montgomery | 9,871 | 9,492 | 9,071 | 9,525 | → |
| Rossiter | Census-Designated Place | Indiana | 884 | 790 | 646 | 537 | → |
| Rosslyn Farms | Borough | Allegheny | 470 | 460 | 437 | 441 | → |
| Rote | Census-Designated Place | Clinton | 316 | 252 | 507 | 488 | → |
| Rothsville | Census-Designated Place | Lancaster | 1,478 | 3,017 | 3,044 | 2,960 | → |
| Roulette | Census-Designated Place | Potter | 697 | 733 | 779 | 695 | → |
| Rouseville | Borough | Venango | 601 | 474 | 523 | 459 | → |
| Rouzerville | Census-Designated Place | Franklin | 1,075 | 862 | 917 | 903 | → |
| Rowes Run | Census-Designated Place | Fayette | 668 | 649 | 564 | 517 | → |
| Royalton | Borough | Dauphin | 1,044 | 956 | 907 | 1,135 | → |
| Royer | Census-Designated Place | Blair | 20 | 26 | 15 | 75 | → |
| Royersford | Borough | Montgomery | 4,582 | 4,223 | 4,747 | 4,926 | → |
| Runville | Census-Designated Place | Centre | 140 | 104 | 83 | 299 | → |
| Rupert | Census-Designated Place | Columbia | 231 | 174 | 183 | 154 | → |
| Rural Valley | Borough | Armstrong | 957 | 1,008 | 880 | 827 | → |
| Russell | Census-Designated Place | Warren | 1,290 | 1,101 | 1,408 | 1,292 | → |
| Russellton | Census-Designated Place | Allegheny | 1,691 | 1,530 | 1,440 | 1,330 | → |
| Rutherford | Census-Designated Place | Dauphin | 3,481 | 3,859 | 4,303 | 5,765 | → |
| Rutledge | Borough | Delaware | 845 | 860 | 784 | 786 | → |
| S.N.P.J. | Borough | Lawrence | 12 | 3 | 19 | 15 | → |
| Sadsburyville | Census-Designated Place | Chester | 577 | 585 | 676 | 1,001 | → |
| Saegertown | Borough | Crawford | 1,066 | 1,149 | 996 | 869 | → |
| Salisbury | Borough | Somerset | 746 | 865 | 726 | 705 | → |
| Salix | Census-Designated Place | Cambria | 1,257 | 1,259 | 1,149 | 1,043 | → |
| Salladasburg | Borough | Lycoming | 250 | 261 | 234 | 250 | → |
| Salona | Census-Designated Place | Clinton | 433 | 283 | 261 | 541 | → |
| Saltillo | Borough | Huntingdon | 347 | 456 | 350 | 311 | → |
| Saltsburg | Borough | Indiana | 993 | 967 | 864 | 771 | → |
| Salunga | Census-Designated Place | Lancaster | 2,510 | 2,713 | 2,695 | 2,963 | → |
| Sanatoga | Census-Designated Place | Montgomery | 5,534 | 7,734 | 8,378 | 8,496 | → |
| Sand Hill | Census-Designated Place | Lebanon | 2,307 | 2,345 | 2,496 | 2,440 | → |
| Sandy | Census-Designated Place | Clearfield | 1,795 | 1,687 | 1,429 | 1,362 | → |
| Sandy Lake | Borough | Mercer | 746 | 727 | 657 | 649 | → |
| Sandy Ridge | Census-Designated Place | Centre | 264 | 340 | 407 | 296 | → |
| Sankertown | Borough | Cambria | 770 | 737 | 672 | 631 | → |
| Saw Creek | Census-Designated Place | Pike / Monroe | 535 | 1,634 | 4,016 | 4,118 | → |
| Saxonburg | Borough | Butler | 1,333 | 1,626 | 1,513 | 1,429 | → |
| Saxton | Borough | Bedford | 851 | 795 | 730 | 725 | → |
| Saylorsburg | Census-Designated Place | Monroe | 872 | 1,057 | 1,126 | 1,025 | → |
| Sayre | Borough | Bradford | 5,879 | 5,821 | 5,661 | 5,463 | → |
| Scalp Level | Borough | Cambria | 1,146 | 905 | 773 | 745 | → |
| Schaefferstown | Census-Designated Place | Lebanon | 1,069 | 984 | 941 | 978 | → |
| Schellsburg | Borough | Bedford | 245 | 312 | 333 | 329 | → |
| Schlusser | Census-Designated Place | Cumberland | 4,753 | 4,962 | 6,236 | 6,806 | → |
| Schnecksville | Census-Designated Place | Lehigh | 2,743 | 2,974 | 3,166 | 3,261 | → |
| Schoeneck | Census-Designated Place | Lancaster | 876 | 1,016 | 1,056 | 1,009 | → |
| Schubert | Census-Designated Place | Berks | 210 | 240 | 249 | 251 | → |
| Schuylkill Haven | Borough | Schuylkill | 5,711 | 5,560 | 5,452 | 5,237 | → |
| Schwenksville | Borough | Montgomery | 1,507 | 1,344 | 1,384 | 1,289 | → |
| Scotland | Census-Designated Place | Franklin | 1,112 | 1,041 | 1,395 | 1,353 | → |
| Scottdale | Borough | Westmoreland | 5,109 | 4,742 | 4,358 | 4,428 | → |
| Scranton | City | Lackawanna | 81,879 | 76,816 | 76,077 | 76,340 | → |
| Selinsgrove | Borough | Snyder | 5,445 | 5,392 | 5,654 | 5,713 | → |
| Sellersville | Borough | Bucks | 4,514 | 4,540 | 4,251 | 4,577 | → |
| Seltzer | Census-Designated Place | Schuylkill | 346 | 307 | 350 | 318 | → |
| Seneca | Census-Designated Place | Venango | 1,029 | 966 | 1,065 | 1,011 | → |
| Seven Fields | Borough | Butler | 551 | 1,971 | 2,892 | 2,919 | → |
| Seven Springs | Borough | Somerset / Fayette | 22 | 99 | 21 | 24 | → |
| Seven Valleys | Borough | York | 528 | 480 | 515 | 472 | → |
| Seward | Borough | Westmoreland | 519 | 491 | 493 | 410 | → |
| Sewickley | Borough | Allegheny | 4,054 | 3,918 | 3,818 | 3,907 | → |
| Sewickley Heights | Borough | Allegheny | 1,052 | 1,011 | 817 | 850 | → |
| Sewickley Hills | Borough | Allegheny | 622 | 638 | 595 | 690 | → |
| Shade Gap | Borough | Huntingdon | 113 | 97 | 91 | 79 | → |
| Shamokin | City | Northumberland | 9,202 | 7,950 | 7,383 | 6,939 | → |
| Shamokin Dam | Borough | Snyder | 1,743 | 1,776 | 1,685 | 1,648 | → |
| Shanksville | Borough | Somerset | 235 | 256 | 230 | 196 | → |
| Shanor-Northvue | Census-Designated Place | Butler | 3,517 | 4,825 | 5,051 | 5,133 | → |
| Sharon | City | Mercer | 17,536 | 16,343 | 14,021 | 13,151 | → |
| Sharon Hill | Borough | Delaware | 5,747 | 5,482 | 5,672 | 6,015 | → |
| Sharpsburg | Borough | Allegheny | 3,819 | 3,624 | 3,467 | 3,186 | → |
| Sharpsville | Borough | Mercer | 4,727 | 4,534 | 4,417 | 4,253 | → |
| Shartlesville | Census-Designated Place | Berks | 423 | 403 | 455 | 404 | → |
| Shavertown | Census-Designated Place | Luzerne | 1,800 | 2,080 | 2,019 | 1,968 | → |
| Sheakleyville | Borough | Mercer | 215 | 182 | 142 | 150 | → |
| Sheatown | Census-Designated Place | Luzerne | 639 | 509 | 671 | 766 | → |
| Sheffield | Census-Designated Place | Warren | 1,294 | 1,268 | 1,132 | 1,011 | → |
| Shelltown | Census-Designated Place | Blair | ... | ... | 8 | 56 | → |
| Shellytown | Census-Designated Place | Blair | 14 | 26 | 29 | 41 | → |
| Shelocta | Borough | Indiana | 108 | 123 | 126 | 100 | → |
| Shenandoah | Borough | Schuylkill | 6,385 | 5,677 | 5,072 | 4,143 | → |
| Shenandoah Heights | Census-Designated Place | Schuylkill | 1,386 | 1,298 | 1,233 | 1,222 | → |
| Sheppton | Census-Designated Place | Schuylkill | 197 | 239 | 279 | 448 | → |
| Shickshinny | Borough | Luzerne | 1,092 | 1,296 | 829 | 628 | → |
| Shillington | Borough | Berks | 5,021 | 5,042 | 5,285 | 5,475 | → |
| Shiloh | Census-Designated Place | York | 8,245 | 10,192 | 11,218 | 11,524 | → |
| Shinglehouse | Borough | Potter | 1,243 | 1,250 | 1,120 | 1,105 | → |
| Shippensburg | Borough | Cumberland / Franklin | 5,596 | 5,495 | 5,616 | 5,483 | → |
| Shippensburg University | Census-Designated Place | Cumberland | 2,694 | 2,280 | 2,625 | 1,890 | → |
| Shippenville | Borough | Clarion | 496 | 502 | 479 | 444 | → |
| Shippingport | Borough | Beaver | 227 | 235 | 207 | 158 | → |
| Shiremanstown | Borough | Cumberland | 1,458 | 1,504 | 1,629 | 1,645 | → |
| Shirleysburg | Borough | Huntingdon | 140 | 140 | 148 | 138 | → |
| Shoemakersville | Borough | Berks | 1,402 | 2,128 | 1,384 | 1,361 | → |
| Shrewsbury | Borough | York | 2,700 | 3,475 | 3,823 | 3,841 | → |
| Sickles Corner | Census-Designated Place | Blair | ... | ... | 29 | 114 | → |
| Sidman | Census-Designated Place | Cambria | 655 | 523 | 431 | 444 | → |
| Sierra View | Census-Designated Place | Monroe | 1,737 | 3,481 | 4,813 | 4,907 | → |
| Siglerville | Census-Designated Place | Mifflin | ... | ... | 106 | 98 | → |
| Silkworth | Census-Designated Place | Luzerne | 780 | 935 | 820 | 784 | → |
| Silverdale | Borough | Bucks | 898 | 978 | 861 | 806 | → |
| Simpson | Census-Designated Place | Lackawanna | 1,049 | 1,218 | 1,275 | 1,336 | → |
| Sinking Spring | Borough | Berks | 2,428 | 2,680 | 3,987 | 4,280 | → |
| Skelp | Census-Designated Place | Blair | 37 | 55 | 30 | 171 | → |
| Ski Gap | Census-Designated Place | Blair | ... | ... | 14 | 71 | → |
| Skippack | Census-Designated Place | Montgomery | 2,042 | 2,889 | 3,758 | 4,129 | → |
| Skyline View | Census-Designated Place | Dauphin | 2,370 | 2,307 | 4,003 | 4,410 | → |
| Slabtown | Census-Designated Place | Columbia | 78 | 120 | 156 | 145 | → |
| Slatedale | Census-Designated Place | Lehigh | 337 | 391 | 455 | 458 | → |
| Slatington | Borough | Lehigh | 4,852 | 4,477 | 4,223 | 4,285 | → |
| Slickville | Census-Designated Place | Westmoreland | 386 | 372 | 388 | 339 | → |
| Sligo | Borough | Clarion | 706 | 733 | 717 | 681 | → |
| Slippery Rock | Borough | Butler | 3,153 | 3,857 | 3,617 | 3,169 | → |
| Slippery Rock University | Census-Designated Place | Butler | 2,000 | 1,847 | 1,898 | 2,397 | → |
| Slovan | Census-Designated Place | Washington | 460 | 608 | 555 | 529 | → |
| Smethport | Borough | McKean | 1,741 | 1,685 | 1,657 | 1,436 | → |
| Smicksburg | Borough | Indiana | 76 | 49 | 46 | 56 | → |
| Smith Corner | Census-Designated Place | Blair | ... | ... | ... | 38 | → |
| Smithfield | Borough | Fayette | 1,055 | 901 | 862 | 832 | → |
| Smithton | Borough | Westmoreland | 375 | 460 | 397 | 346 | → |
| Smock | Census-Designated Place | Fayette | 651 | 499 | 583 | 549 | → |
| Smoketown | Census-Designated Place | Lancaster | 356 | 387 | 357 | 390 | → |
| Snow Shoe | Borough | Centre | 803 | 773 | 753 | 673 | → |
| Snydertown | Census-Designated Place | Centre | 163 | 137 | 483 | 539 | → |
| Snydertown | Borough | Northumberland | 429 | 364 | 334 | 322 | → |
| Somerset | Borough | Somerset | 6,548 | 6,653 | 6,278 | 6,055 | → |
| Soudersburg | Census-Designated Place | Lancaster | 514 | 506 | 540 | 523 | → |
| Souderton | Borough | Montgomery | 6,021 | 7,078 | 6,622 | 7,088 | → |
| South Bethlehem | Borough | Armstrong | 479 | 792 | 481 | 488 | → |
| South Coatesville | Borough | Chester | 1,235 | 1,032 | 1,307 | 1,602 | → |
| South Connellsville | Borough | Fayette | 2,206 | 2,223 | 2,019 | 1,917 | → |
| South Fork | Borough | Cambria | 1,195 | 1,125 | 930 | 946 | → |
| South Greensburg | Borough | Westmoreland | 2,273 | 2,230 | 2,113 | 2,134 | → |
| South Heights | Borough | Beaver | 593 | 548 | 473 | 386 | → |
| South New Castle | Borough | Lawrence | 833 | 760 | 714 | 651 | → |
| South Philipsburg | Census-Designated Place | Centre | 438 | 438 | 410 | 387 | → |
| South Pottstown | Census-Designated Place | Chester | 1,966 | 2,135 | 2,081 | 2,150 | → |
| South Renovo | Borough | Clinton | 613 | 559 | 433 | 405 | → |
| South Temple | Census-Designated Place | Berks | 1,328 | 1,319 | 1,424 | 1,560 | → |
| South Uniontown | Census-Designated Place | Fayette | 1,650 | 1,334 | 1,360 | 1,325 | → |
| South Waverly | Borough | Bradford | 1,004 | 978 | 1,030 | 1,069 | → |
| South Williamsport | Borough | Lycoming | 6,308 | 6,390 | 6,365 | 6,256 | → |
| Southmont | Borough | Cambria | 2,406 | 2,269 | 2,284 | 2,047 | → |
| Southview | Census-Designated Place | Washington | 195 | 320 | 276 | 284 | → |
| Southwest Greensburg | Borough | Westmoreland | 2,460 | 2,401 | 2,155 | 2,222 | → |
| Spartansburg | Borough | Crawford | 403 | 338 | 305 | 280 | → |
| Speers | Borough | Washington | 1,302 | 1,268 | 1,120 | 1,081 | → |
| Spinnerstown | Census-Designated Place | Bucks | 907 | 1,300 | 1,826 | 1,697 | → |
| Spring City | Borough | Chester | 3,482 | 3,310 | 3,321 | 3,492 | → |
| Spring Drive Mobile Home Park | Census-Designated Place | Blair | ... | ... | 132 | 150 | → |
| Spring Grove | Borough | York | 1,863 | 2,046 | 2,167 | 2,375 | → |
| Spring Hill | Census-Designated Place | Cambria | 1,014 | 970 | 839 | 748 | → |
| Spring House | Census-Designated Place | Montgomery | 2,782 | 3,290 | 3,804 | 3,978 | → |
| Spring Mills | Census-Designated Place | Centre | 255 | 289 | 268 | 365 | → |
| Spring Mount | Census-Designated Place | Montgomery | 1,365 | 2,205 | 2,259 | 2,338 | → |
| Spring Ridge | Census-Designated Place | Berks | ... | 786 | 1,003 | 1,050 | → |
| Springboro | Borough | Crawford | 476 | 479 | 482 | 374 | → |
| Springdale | Borough | Allegheny | 4,027 | 3,828 | 3,405 | 3,400 | → |
| Springmont | Census-Designated Place | Berks | 694 | 636 | 724 | 792 | → |
| Sproul | Census-Designated Place | Blair | 107 | 122 | 117 | 191 | → |
| Spry | Census-Designated Place | York | 4,271 | 4,903 | 4,891 | 5,237 | → |
| St. Clair | Census-Designated Place | Blair | ... | ... | 10 | 48 | → |
| St. Clair | Borough | Schuylkill | 3,591 | 3,256 | 3,006 | 2,744 | → |
| St. Clairsville | Borough | Bedford | 75 | 76 | 80 | 76 | → |
| St. Davids | Census-Designated Place | Delaware | 3,065 | 3,660 | 3,543 | 3,604 | → |
| St. Lawrence | Borough | Berks | 1,579 | 1,799 | 1,831 | 1,940 | → |
| St. Marys | City | Elk | 14,028 | 14,509 | 13,073 | 12,739 | → |
| St. Michael | Census-Designated Place | Cambria | 577 | 515 | 453 | 410 | → |
| St. Petersburg | Borough | Clarion | 349 | 406 | 400 | 337 | → |
| St. Vincent College | Census-Designated Place | Westmoreland | 872 | 974 | 1,357 | 1,036 | → |
| Star Junction | Census-Designated Place | Fayette | 291 | 337 | 616 | 518 | → |
| Starbrick | Census-Designated Place | Warren | 648 | 559 | 522 | 462 | → |
| Starrucca | Borough | Wayne | 202 | 210 | 173 | 170 | → |
| State College | Borough | Centre | 39,025 | 39,333 | 41,980 | 40,787 | → |
| State Line | Census-Designated Place | Franklin | 1,446 | 1,981 | 2,709 | 2,804 | → |
| Steelton | Borough | Dauphin | 5,248 | 6,012 | 5,992 | 6,268 | → |
| Stevens | Census-Designated Place | Lancaster | 633 | 670 | 612 | 611 | → |
| Stewartstown | Borough | York | 1,409 | 1,783 | 2,037 | 2,137 | → |
| Stiles | Census-Designated Place | Lehigh | 851 | 1,089 | 1,113 | 1,070 | → |
| Stillwater | Borough | Columbia | 243 | 229 | 207 | 199 | → |
| Stockdale | Borough | Washington | 581 | 532 | 506 | 423 | → |
| Stockertown | Borough | Northampton | 627 | 678 | 927 | 916 | → |
| Stoneboro | Borough | Mercer | 998 | 1,107 | 1,051 | 947 | → |
| Stonerstown | Census-Designated Place | Bedford | 429 | 451 | 376 | 369 | → |
| Stony Creek Mills | Census-Designated Place | Berks | 812 | 852 | 1,045 | 1,048 | → |
| Stonybrook | Census-Designated Place | York | 2,014 | 1,992 | 2,705 | 3,281 | → |
| Stormstown | Census-Designated Place | Centre | 949 | 1,838 | 2,366 | 2,468 | → |
| Stouchsburg | Census-Designated Place | Berks | 540 | 516 | 600 | 526 | → |
| Stowe | Census-Designated Place | Montgomery | 3,598 | 3,585 | 3,695 | 3,595 | → |
| Stoystown | Borough | Somerset | 389 | 414 | 346 | 298 | → |
| Strasburg | Borough | Lancaster | 2,581 | 2,776 | 2,819 | 3,119 | → |
| Strattanville | Borough | Clarion | 491 | 581 | 535 | 539 | → |
| Strausstown | Census-Designated Place | Berks | 353 | 344 | 342 | 409 | → |
| Strodes Mills | Census-Designated Place | Mifflin | 161 | 445 | 757 | 698 | → |
| Strong | Census-Designated Place | Northumberland | 138 | 139 | 147 | 106 | → |
| Stroudsburg | Borough | Monroe | 5,291 | 5,749 | 5,559 | 5,941 | → |
| Sturgeon | Census-Designated Place | Allegheny | 977 | 652 | 1,710 | 1,611 | → |
| Sugar Grove | Borough | Warren | 741 | 1,003 | 614 | 557 | → |
| Sugar Notch | Borough | Luzerne | 1,066 | 1,037 | 989 | 1,000 | → |
| Sugarcreek | Borough | Venango | 5,543 | 5,330 | 5,313 | 4,773 | → |
| Summerhill | Borough | Cambria | 611 | 527 | 488 | 477 | → |
| Summerville | Borough | Jefferson | 675 | 556 | 525 | 511 | → |
| Summit Hill | Borough | Carbon | 3,191 | 3,036 | 3,066 | 3,121 | → |
| Summit Station | Census-Designated Place | Schuylkill | 210 | 269 | 234 | 193 | → |
| Sun Valley | Census-Designated Place | Monroe | 793 | 1,768 | 2,399 | 2,414 | → |
| Sunbrook | Census-Designated Place | Blair | 356 | 316 | 333 | 325 | → |
| Sunbury | City | Northumberland | 11,616 | 10,966 | 9,909 | 9,712 | → |
| Sunrise Lake | Census-Designated Place | Pike | 244 | 1,074 | 1,387 | 1,396 | → |
| Susquehanna Depot | Borough | Susquehanna | 1,846 | 1,697 | 1,595 | 1,364 | → |
| Susquehanna Trails | Census-Designated Place | York | 1,419 | 2,134 | 2,264 | 2,179 | → |
| Sutersville | Borough | Westmoreland | 755 | 634 | 603 | 554 | → |
| Swarthmore | Borough | Delaware | 6,144 | 6,176 | 6,190 | 6,534 | → |
| Swartzville | Census-Designated Place | Lancaster | 1,105 | 1,992 | 2,283 | 2,273 | → |
| Swedeland | Census-Designated Place | Montgomery | 1,244 | 1,253 | 1,036 | 1,495 | → |
| Sweden Valley | Census-Designated Place | Potter | 88 | 105 | 223 | 197 | → |
| Swissvale | Borough | Allegheny | 10,568 | 9,712 | 9,006 | 8,617 | → |
| Swoyersville | Borough | Luzerne | 5,444 | 5,162 | 5,131 | 5,016 | → |
| Sykesville | Borough | Jefferson | 1,388 | 1,251 | 1,162 | 1,111 | → |
| Sylvan Hills | Census-Designated Place | Blair | 888 | 690 | 728 | 720 | → |
| Sylvania | Borough | Bradford | 203 | 220 | 221 | 216 | → |
| Table Rock | Census-Designated Place | Adams | 52 | 149 | 165 | 133 | → |
| Tamaqua | Borough | Schuylkill | 8,005 | 7,174 | 7,101 | 6,914 | → |
| Tarentum | Borough | Allegheny | 5,678 | 5,000 | 4,536 | 4,349 | → |
| Tatamy | Borough | Northampton | 873 | 921 | 1,182 | 1,178 | → |
| Taylor | Borough | Lackawanna | 6,894 | 6,485 | 6,265 | 6,290 | → |
| Taylorstown | Census-Designated Place | Washington | 189 | 66 | 217 | 213 | → |
| Telford | Borough | Bucks / Montgomery | 4,227 | 4,700 | 4,849 | 4,932 | → |
| Temple | Census-Designated Place | Berks | 1,753 | 1,681 | 1,877 | 2,073 | → |
| Templeton | Census-Designated Place | Armstrong | 299 | 257 | 325 | 253 | → |
| Terre Hill | Borough | Lancaster | 1,278 | 1,230 | 1,297 | 1,301 | → |
| Tharptown (Uniontown) | Census-Designated Place | Northumberland | 562 | 531 | 498 | 487 | → |
| The Hideout | Census-Designated Place | Wayne | 1,192 | 1,854 | 3,013 | 2,634 | → |
| Thompson | Borough | Susquehanna | 291 | 299 | 297 | 254 | → |
| Thompsontown | Borough | Juniata | 629 | 726 | 684 | 626 | → |
| Thompsonville | Census-Designated Place | Washington | 3,560 | 3,592 | 3,520 | 3,704 | → |
| Thornburg | Borough | Allegheny | 424 | 471 | 430 | 466 | → |
| Thorndale | Census-Designated Place | Chester | 3,518 | 3,561 | 3,407 | 3,669 | → |
| Three Springs | Borough | Huntingdon | 432 | 445 | 444 | 444 | → |
| Throop | Borough | Lackawanna | 4,054 | 4,000 | 4,087 | 4,066 | → |
| Tidioute | Borough | Warren | 812 | 865 | 687 | 628 | → |
| Timber Hills | Census-Designated Place | Lebanon | 362 | 329 | 360 | 390 | → |
| Timblin | Borough | Jefferson | 165 | 160 | 152 | 145 | → |
| Tioga | Borough | Tioga | 644 | 654 | 665 | 611 | → |
| Tionesta | Borough | Forest | 665 | 615 | 483 | 427 | → |
| Tipton | Census-Designated Place | Blair | 929 | 967 | 847 | 826 | → |
| Titusville | City | Crawford | 6,410 | 6,131 | 5,601 | 5,262 | → |
| Toftrees | Census-Designated Place | Centre | 1,127 | 1,369 | 2,053 | 3,513 | → |
| Topton | Borough | Berks | 1,967 | 2,273 | 2,066 | 2,042 | → |
| Toughkenamon | Census-Designated Place | Chester | 1,273 | 1,375 | 1,492 | 1,297 | → |
| Towamensing Trails | Census-Designated Place | Carbon | 464 | 1,289 | 2,292 | 2,317 | → |
| Towanda | Borough | Bradford | 3,528 | 3,060 | 2,924 | 2,798 | → |
| Tower City | Borough | Schuylkill | 1,515 | 1,501 | 1,342 | 1,422 | → |
| Townville | Borough | Crawford | 358 | 315 | 329 | 328 | → |
| Trafford | Borough | Westmoreland / Allegheny | 3,411 | 3,233 | 3,223 | 3,317 | → |
| Trainer | Borough | Delaware | 2,059 | 1,849 | 1,815 | 1,980 | → |
| Trappe | Borough | Montgomery | 2,084 | 3,229 | 3,505 | 3,995 | → |
| Treasure Lake | Census-Designated Place | Clearfield | 2,384 | 5,032 | 4,333 | 5,460 | → |
| Tremont | Borough | Schuylkill | 2,147 | 1,868 | 1,744 | 1,676 | → |
| Tresckow | Census-Designated Place | Carbon | 1,033 | 964 | 880 | 849 | → |
| Trevorton | Census-Designated Place | Northumberland | 2,058 | 2,010 | 1,834 | 1,759 | → |
| Trevose | Census-Designated Place | Bucks | 3,622 | 3,726 | 3,550 | 3,842 | → |
| Trexlertown | Census-Designated Place | Lehigh | 710 | 957 | 1,988 | 2,382 | → |
| Trooper | Census-Designated Place | Montgomery | 5,137 | 6,061 | 5,744 | 5,481 | → |
| Troutville | Borough | Clearfield | 226 | 281 | 238 | 230 | → |
| Troxelville | Census-Designated Place | Snyder | 216 | 169 | 240 | 260 | → |
| Troy | Borough | Bradford | 1,246 | 1,481 | 1,316 | 1,257 | → |
| Trucksville | Census-Designated Place | Luzerne | 2,587 | 2,327 | 2,152 | 2,174 | → |
| Trumbauersville | Borough | Bucks | 1,002 | 930 | 960 | 882 | → |
| Tullytown | Borough | Bucks | 2,223 | 2,035 | 2,235 | 2,278 | → |
| Tunkhannock | Borough | Wyoming | 2,303 | 1,942 | 1,827 | 1,766 | → |
| Tunnelhill | Borough | Blair / Cambria | 398 | 388 | 361 | 318 | → |
| Turbotville | Borough | Northumberland | 676 | 699 | 697 | 679 | → |
| Turtle Creek | Borough | Allegheny | 6,496 | 6,026 | 5,341 | 5,121 | → |
| Tuscarora | Census-Designated Place | Schuylkill | 297 | 230 | 253 | 375 | → |
| Twilight | Borough | Washington | 259 | 250 | 235 | 225 | → |
| Tyler Run | Census-Designated Place | York | 1,422 | 1,621 | 1,901 | 1,910 | → |
| Tylersburg | Census-Designated Place | Clarion | ... | ... | 196 | 157 | → |
| Tylersville | Census-Designated Place | Clinton | 123 | 131 | 126 | 225 | → |
| Tyrone | Borough | Blair | 5,704 | 5,763 | 5,463 | 5,468 | → |
| Tyrone Forge | Census-Designated Place | Blair | ... | ... | 11 | 27 | → |
| Ulysses | Borough | Potter | 654 | 679 | 621 | 597 | → |
| Union City | Borough | Erie | 3,601 | 3,459 | 3,327 | 2,928 | → |
| Union Dale | Borough | Susquehanna | 303 | 364 | 262 | 218 | → |
| Union Deposit | Census-Designated Place | Dauphin | 440 | 436 | 375 | 418 | → |
| Uniontown | City | Fayette | 12,038 | 12,296 | 10,358 | 9,989 | → |
| Unionville | Census-Designated Place | Butler | 1,047 | 973 | 962 | 849 | → |
| Unionville | Borough | Centre | 285 | 302 | 296 | 268 | → |
| Unionville | Census-Designated Place | Chester | 478 | 496 | 1,296 | 577 | → |
| University of Pittsburgh Bradford | Census-Designated Place | McKean | ... | ... | ... | 920 | → |
| University of Pittsburgh Johnstown | Census-Designated Place | Cambria | ... | 1,587 | 1,572 | 1,194 | → |
| Upland | Borough | Delaware | 3,352 | 2,962 | 3,337 | 3,062 | → |
| Upper Exeter | Census-Designated Place | Luzerne | 844 | 828 | 707 | 633 | → |
| Ursina | Borough | Somerset | 320 | 280 | 232 | 241 | → |
| Utica | Borough | Venango | 241 | 211 | 189 | 183 | → |
| Vail | Census-Designated Place | Blair | ... | 175 | 73 | 125 | → |
| Valencia | Borough | Butler | 335 | 375 | 551 | 539 | → |
| Valley Green | Census-Designated Place | York | 3,017 | 3,550 | 3,429 | 3,412 | → |
| Valley View | Census-Designated Place | Schuylkill | 1,942 | 1,766 | 1,683 | 1,595 | → |
| Valley View | Census-Designated Place | York | 2,911 | 2,743 | 2,817 | 2,926 | → |
| Valley-Hi | Borough | Fulton | 19 | 20 | 15 | 9 | → |
| Van Voorhis | Census-Designated Place | Washington | 217 | 208 | 166 | 138 | → |
| Vanderbilt | Borough | Fayette | 588 | 512 | 485 | 412 | → |
| Vandergrift | Borough | Westmoreland | 5,947 | 5,503 | 5,200 | 5,076 | → |
| Vandling | Borough | Lackawanna | 717 | 750 | 758 | 728 | → |
| Venango | Borough | Crawford | 289 | 286 | 239 | 212 | → |
| Verona | Borough | Allegheny | 2,936 | 3,024 | 2,507 | 2,498 | → |
| Versailles | Borough | Allegheny | 1,847 | 1,706 | 1,519 | 1,481 | → |
| Vicksburg | Census-Designated Place | Blair | 92 | 102 | 86 | 127 | → |
| Vicksburg | Census-Designated Place | Union | 167 | 167 | 261 | 255 | → |
| Village Green-Green Ridge | Census-Designated Place | Delaware | 9,026 | 8,279 | 7,822 | 8,000 | → |
| Village Shires | Census-Designated Place | Bucks | 4,364 | 4,137 | 3,949 | 3,946 | → |
| Villanova | Census-Designated Place | Montgomery / Delaware | 6,333 | 6,592 | 7,289 | 8,213 | → |
| Vinco | Census-Designated Place | Cambria | 1,817 | 1,626 | 1,490 | 1,487 | → |
| Vintondale | Borough | Cambria | 594 | 524 | 410 | 415 | → |
| Virginville | Census-Designated Place | Berks | 300 | 339 | 309 | 334 | → |
| Volant | Borough | Lawrence | 152 | 113 | 165 | 127 | → |
| Vowinckel | Census-Designated Place | Clarion | 116 | 193 | 139 | 130 | → |
| Wagner | Census-Designated Place | Mifflin | 60 | 61 | 128 | 110 | → |
| Wakefield | Census-Designated Place | Lancaster | 455 | 510 | 609 | 634 | → |
| Wall | Borough | Allegheny | 808 | 706 | 580 | 516 | → |
| Wallaceton | Borough | Clearfield | 319 | 381 | 312 | 297 | → |
| Wallenpaupack Lake Estates | Census-Designated Place | Wayne | 217 | 774 | 1,279 | 1,226 | → |
| Waller | Census-Designated Place | Columbia | 69 | 55 | 48 | 45 | → |
| Walnutport | Borough | Northampton | 2,086 | 2,038 | 2,071 | 2,071 | → |
| Walnuttown | Census-Designated Place | Berks | 665 | 497 | 484 | 459 | → |
| Wampum | Borough | Lawrence | 666 | 683 | 708 | 557 | → |
| Wanamie | Census-Designated Place | Luzerne | 484 | 413 | 612 | 580 | → |
| Warminster Heights | Census-Designated Place | Bucks | 4,310 | 4,191 | 4,124 | 4,010 | → |
| Warren | City | Warren | 11,149 | 10,486 | 9,710 | 9,412 | → |
| Warrior Run | Borough | Luzerne | 709 | 606 | 556 | 528 | → |
| Washington | City | Washington | 15,810 | 14,876 | 14,037 | 13,148 | → |
| Washington Boro | Census-Designated Place | Lancaster | 669 | 922 | 729 | 721 | → |
| Washingtonville | Borough | Montour | 228 | 197 | 270 | 202 | → |
| Waterford | Borough | Erie | 1,507 | 1,443 | 1,519 | 1,474 | → |
| Watsontown | Borough | Northumberland | 2,403 | 2,298 | 2,358 | 2,236 | → |
| Wattsburg | Borough | Erie | 477 | 377 | 405 | 351 | → |
| Waverly | Census-Designated Place | Lackawanna | 595 | 621 | 604 | 643 | → |
| Waymart | Borough | Wayne | 1,272 | 1,443 | 1,340 | 1,296 | → |
| Wayne | Census-Designated Place | Delaware | 6,723 | 7,069 | 6,832 | 7,160 | → |
| Wayne Heights | Census-Designated Place | Franklin | 1,683 | 1,805 | 2,545 | 2,606 | → |
| Waynesboro | Borough | Franklin | 9,581 | 9,608 | 10,563 | 11,032 | → |
| Waynesburg | Borough | Greene | 4,272 | 4,199 | 4,205 | 4,002 | → |
| Weatherly | Borough | Carbon | 2,640 | 2,616 | 2,525 | 2,545 | → |
| Webster | Census-Designated Place | Westmoreland | 292 | 172 | 255 | 237 | → |
| Weedville | Census-Designated Place | Elk | 328 | 301 | 542 | 565 | → |
| Weigelstown | Census-Designated Place | York | 9,224 | 11,071 | 13,863 | 15,136 | → |
| Weissport | Borough | Carbon | 493 | 432 | 412 | 411 | → |
| Weissport East | Census-Designated Place | Carbon | 1,843 | 1,936 | 1,624 | 1,661 | → |
| Wellersburg | Borough | Somerset | 213 | 191 | 181 | 214 | → |
| Wellsboro | Borough | Tioga | 3,917 | 3,328 | 3,262 | 3,470 | → |
| Wellsville | Borough | York | 280 | 278 | 252 | 304 | → |
| Wernersville | Borough | Berks | 1,968 | 2,172 | 2,709 | 2,771 | → |
| Wescosville | Census-Designated Place | Lehigh | 4,573 | 4,965 | 5,872 | 6,039 | → |
| Wesleyville | Borough | Erie | 3,653 | 3,616 | 3,341 | 3,225 | → |
| West Alexander | Census-Designated Place | Washington | 602 | 588 | 604 | 565 | → |
| West Brownsville | Borough | Washington | 1,177 | 1,092 | 993 | 976 | → |
| West Chester | Borough | Chester | 17,966 | 17,969 | 18,459 | 18,666 | → |
| West Conshohocken | Borough | Montgomery | 1,281 | 1,429 | 1,320 | 1,492 | → |
| West Decatur | Census-Designated Place | Clearfield | 498 | 562 | 533 | 453 | → |
| West Easton | Borough | Northampton | 1,164 | 1,188 | 1,256 | 1,238 | → |
| West Elizabeth | Borough | Allegheny | 634 | 565 | 516 | 404 | → |
| West Fairview | Census-Designated Place | Cumberland | 1,403 | 1,273 | 1,282 | 1,138 | → |
| West Falls | Census-Designated Place | Wyoming | 473 | 437 | 382 | 337 | → |
| West Grove | Borough | Chester | 2,160 | 2,663 | 2,857 | 2,773 | → |
| West Hamburg | Census-Designated Place | Berks | 1,386 | 2,048 | 1,979 | 1,926 | → |
| West Hazleton | Borough | Luzerne | 3,528 | 3,692 | 4,455 | 5,177 | → |
| West Hills | Census-Designated Place | Armstrong | 1,240 | 1,229 | 1,263 | 1,228 | → |
| West Homestead | Borough | Allegheny | 2,433 | 2,195 | 1,927 | 1,871 | → |
| West Kittanning | Borough | Armstrong | 1,242 | 1,307 | 1,175 | 1,193 | → |
| West Lawn | Census-Designated Place | Berks | 1,607 | 1,597 | 1,715 | 1,762 | → |
| West Leechburg | Borough | Westmoreland | 1,359 | 1,291 | 1,295 | 1,270 | → |
| West Liberty | Borough | Butler | 278 | 336 | 341 | 335 | → |
| West Mayfield | Borough | Beaver | 1,286 | 1,283 | 1,239 | 1,198 | → |
| West Middlesex | Borough | Mercer | 918 | 918 | 863 | 820 | → |
| West Middletown | Borough | Washington | 166 | 160 | 139 | 108 | → |
| West Mifflin | Borough | Allegheny | 23,651 | 22,333 | 20,309 | 19,597 | → |
| West Milton | Census-Designated Place | Union | 606 | 657 | 900 | 799 | → |
| West Nanticoke | Census-Designated Place | Luzerne | 429 | 893 | 749 | 562 | → |
| West Newton | Borough | Westmoreland | 3,244 | 3,103 | 2,652 | 2,665 | → |
| West Pittsburg | Census-Designated Place | Lawrence | 1,003 | 782 | 808 | 734 | → |
| West Pittston | Borough | Luzerne | 5,810 | 5,063 | 4,900 | 4,652 | → |
| West Reading | Borough | Berks | 4,132 | 4,051 | 4,278 | 4,551 | → |
| West Sunbury | Borough | Butler | 178 | 134 | 193 | 182 | → |
| West View | Borough | Allegheny | 7,702 | 7,238 | 6,765 | 6,685 | → |
| West Waynesburg | Census-Designated Place | Greene | 361 | 335 | 446 | 401 | → |
| West Wyoming | Borough | Luzerne | 3,229 | 2,850 | 2,725 | 2,636 | → |
| West Wyomissing | Census-Designated Place | Berks | 3,354 | 3,016 | 3,407 | 3,630 | → |
| West York | Borough | York | 4,300 | 4,294 | 4,663 | 5,104 | → |
| Westfield | Borough | Tioga | 1,182 | 1,200 | 1,075 | 1,115 | → |
| Westland | Census-Designated Place | Washington | 234 | 189 | 167 | 107 | → |
| Westmont | Borough | Cambria | 5,760 | 5,496 | 5,168 | 4,944 | → |
| Weston | Census-Designated Place | Luzerne | 235 | 202 | 321 | 332 | → |
| Westover | Borough | Clearfield | 446 | 528 | 389 | 358 | → |
| Westwood | Census-Designated Place | Cambria | 2,110 | 1,911 | 1,763 | 1,692 | → |
| Westwood | Census-Designated Place | Chester | 904 | 910 | 950 | 1,003 | → |
| Wheatland | Borough | Mercer | 771 | 742 | 632 | 583 | → |
| Whitaker | Borough | Allegheny | 1,405 | 1,326 | 1,280 | 1,180 | → |
| White Haven | Borough | Luzerne | 1,142 | 1,198 | 1,096 | 1,163 | → |
| White Mills | Census-Designated Place | Wayne | 600 | 702 | 659 | 585 | → |
| White Oak | Borough | Allegheny | 8,759 | 8,471 | 7,827 | 7,636 | → |
| Whitehall | Borough | Allegheny | 14,421 | 14,522 | 13,772 | 15,054 | → |
| Whitfield | Census-Designated Place | Berks | 4,950 | 4,722 | 4,733 | 4,911 | → |
| Wickerham Manor-Fisher | Census-Designated Place | Washington | 1,931 | 1,783 | 1,728 | 1,825 | → |
| Wiconsico | Census-Designated Place | Dauphin | 1,049 | 836 | 921 | 844 | → |
| Wilburton Number One | Census-Designated Place | Columbia | 98 | 290 | 214 | 223 | → |
| Wilburton Number Two | Census-Designated Place | Columbia | ... | 77 | 207 | 54 | → |
| Wilcox | Census-Designated Place | Elk | 366 | 305 | 383 | 354 | → |
| Wilkes-Barre | City | Luzerne | 47,672 | 43,153 | 41,510 | 44,349 | → |
| Wilkinsburg | Borough | Allegheny | 20,951 | 19,068 | 15,859 | 14,349 | → |
| Williamsburg | Borough | Blair | 1,474 | 1,319 | 1,249 | 1,233 | → |
| Williamsport | City | Lycoming | 32,159 | 30,720 | 29,374 | 27,770 | → |
| Williamstown | Borough | Dauphin | 1,619 | 1,452 | 1,393 | 1,302 | → |
| Willow Grove | Census-Designated Place | Montgomery | 13,699 | 13,657 | 13,322 | 13,730 | → |
| Willow Street | Census-Designated Place | Lancaster | 5,817 | 7,258 | 7,578 | 9,149 | → |
| Wilmerding | Borough | Allegheny | 2,157 | 2,181 | 2,195 | 1,785 | → |
| Wilmore | Borough | Cambria | 277 | 255 | 225 | 206 | → |
| Wilson | Borough | Northampton | 7,845 | 7,667 | 7,895 | 8,257 | → |
| Wind Gap | Borough | Northampton | 2,776 | 2,785 | 2,722 | 2,823 | → |
| Wind Ridge | Census-Designated Place | Greene | 93 | 112 | 215 | 204 | → |
| Windber | Borough | Somerset | 4,705 | 4,467 | 4,156 | 3,935 | → |
| Windsor | Borough | York | 1,441 | 1,326 | 1,322 | 1,358 | → |
| Winfield | Census-Designated Place | Union | 722 | 864 | 900 | 905 | → |
| Winterstown | Borough | York | 463 | 558 | 631 | 606 | → |
| Witmer | Census-Designated Place | Lancaster | 444 | 580 | 492 | 550 | → |
| Wolfdale | Census-Designated Place | Washington | 3,093 | 3,245 | 3,319 | 3,055 | → |
| Womelsdorf | Borough | Berks | 2,463 | 2,618 | 2,854 | 2,888 | → |
| Woodbourne | Census-Designated Place | Bucks | 2,953 | 3,512 | 3,851 | 3,710 | → |
| Woodbury | Borough | Bedford | 241 | 274 | 283 | 288 | → |
| Woodcock | Borough | Crawford | 148 | 144 | 160 | 141 | → |
| Woodland Heights | Census-Designated Place | Venango | 1,471 | 1,402 | 1,261 | 1,180 | → |
| Woodlyn | Census-Designated Place | Delaware | 10,151 | 10,036 | 9,485 | 9,685 | → |
| Woodside | Census-Designated Place | Bucks | 2,947 | 2,575 | 2,425 | 2,443 | → |
| Woodward | Census-Designated Place | Centre | 77 | 113 | 110 | 106 | → |
| Woolrich | Census-Designated Place | Clinton | 784 | 803 | 782 | 932 | → |
| Wopsononock | Census-Designated Place | Blair | ... | ... | 7 | 56 | → |
| Wormleysburg | Borough | Cumberland | 2,534 | 2,672 | 3,023 | 3,044 | → |
| Worthington | Borough | Armstrong | 718 | 891 | 639 | 593 | → |
| Worthville | Borough | Jefferson | 65 | 75 | 67 | 73 | → |
| Woxall (Woxhall) | Census-Designated Place | Montgomery | 1,132 | 1,223 | 1,318 | 1,297 | → |
| Wrightsville | Borough | York | 2,394 | 2,224 | 2,313 | 2,259 | → |
| Wyalusing | Borough | Bradford | 677 | 542 | 590 | 614 | → |
| Wyano | Census-Designated Place | Westmoreland | 590 | 542 | 484 | 433 | → |
| Wylandville | Census-Designated Place | Washington | 444 | 394 | 391 | 512 | → |
| Wyncote | Census-Designated Place | Montgomery | 2,960 | 3,046 | 3,044 | 3,081 | → |
| Wyndmoor | Census-Designated Place | Montgomery | 5,682 | 5,601 | 5,498 | 5,853 | → |
| Wyoming | Borough | Luzerne | 3,170 | 3,227 | 3,071 | 3,103 | → |
| Wyomissing | Borough | Berks | 9,769 | 11,285 | 10,426 | 11,117 | → |
| Yardley | Borough | Bucks | 2,360 | 2,519 | 2,443 | 2,606 | → |
| Yarnell | Census-Designated Place | Centre | 29 | 40 | 27 | 83 | → |
| Yatesville | Borough | Luzerne | 550 | 661 | 620 | 634 | → |
| Yeadon | Borough | Delaware | 11,976 | 11,728 | 11,434 | 12,047 | → |
| Yeagertown | Census-Designated Place | Mifflin | 1,150 | 1,035 | 1,050 | 1,002 | → |
| Yellow Springs | Census-Designated Place | Blair | 101 | 105 | 106 | 159 | → |
| Yoe | Borough | York | 986 | 1,015 | 1,024 | 1,059 | → |
| York | City | York | 42,250 | 41,459 | 43,807 | 44,793 | → |
| York Haven | Borough | York | 773 | 794 | 703 | 691 | → |
| York Springs | Borough | Adams | 570 | 587 | 764 | 683 | → |
| Yorkana | Borough | York | 254 | 231 | 231 | 237 | → |
| Yorklyn | Census-Designated Place | York | 1,726 | 1,798 | 1,912 | 1,811 | → |
| Youngstown | Borough | Westmoreland | 386 | 402 | 324 | 251 | → |
| Youngsville | Borough | Warren | 1,815 | 1,832 | 1,730 | 1,729 | → |
| Youngwood | Borough | Westmoreland | 3,363 | 4,125 | 3,049 | 2,973 | → |
| Yukon | Census-Designated Place | Westmoreland | 726 | 704 | 677 | 656 | → |
| Zelienople | Borough | Butler | 4,040 | 4,119 | 3,812 | 3,908 | → |
| Zion | Census-Designated Place | Centre | 545 | 859 | 2,030 | 2,197 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.