All counties in the State of Pennsylvania.
| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Adams | County | 78,274 | 91,207 | 101,407 | o |
| Allegheny | County | 1,336,449 | 1,281,795 | 1,223,348 | o |
| Armstrong | County | 73,478 | 72,345 | 68,941 | o |
| Beaver | County | 186,093 | 181,448 | 170,539 | o |
| Bedford | County | 47,919 | 49,890 | 49,762 | o |
| Berks | County | 336,523 | 373,712 | 411,442 | o |
| Blair | County | 130,542 | 129,105 | 127,089 | o |
| Bradford | County | 60,967 | 62,747 | 62,622 | o |
| Bucks | County | 541,174 | 597,548 | 625,249 | o |
| Butler | County | 152,013 | 174,105 | 183,862 | o |
| Cambria | County | 163,062 | 152,555 | 143,679 | o |
| Cameron | County | 5,913 | 5,971 | 5,085 | o |
| Carbon | County | 56,803 | 58,765 | 65,249 | o |
| Centre | County | 124,812 | 135,678 | 153,990 | o |
| Chester | County | 376,389 | 433,208 | 498,886 | o |
| Clarion | County | 41,699 | 41,739 | 39,988 | o |
| Clearfield | County | 78,097 | 83,529 | 81,642 | o |
| Clinton | County | 37,182 | 37,879 | 39,238 | o |
| Columbia | County | 63,202 | 63,947 | 67,295 | o |
| Crawford | County | 86,166 | 90,352 | 88,765 | o |
| Cumberland | County | 195,257 | 213,605 | 235,406 | o |
| Dauphin | County | 237,813 | 251,770 | 268,100 | o |
| Delaware | County | 547,658 | 551,722 | 558,979 | o |
| Elk | County | 34,878 | 35,114 | 31,946 | o |
| Erie | County | 275,575 | 280,907 | 280,566 | o |
| Fayette | County | 145,351 | 148,536 | 136,606 | o |
| Forest | County | 4,802 | 4,948 | 7,716 | o |
| Franklin | County | 121,082 | 129,495 | 149,618 | o |
| Fulton | County | 13,837 | 14,259 | 14,845 | o |
| Greene | County | 39,550 | 40,626 | 38,686 | o |
| Huntingdon | County | 44,164 | 45,613 | 45,913 | o |
| Indiana | County | 89,994 | 89,593 | 88,880 | o |
| Jefferson | County | 46,083 | 45,915 | 45,200 | o |
| Juniata | County | 20,625 | 22,814 | 24,636 | o |
| Lackawanna | County | 219,097 | 213,292 | 214,437 | o |
| Lancaster | County | 422,822 | 470,783 | 519,445 | o |
| Lawrence | County | 96,246 | 94,567 | 91,108 | o |
| Lebanon | County | 113,744 | 120,202 | 133,568 | o |
| Lehigh | County | 291,130 | 311,746 | 349,497 | o |
| Luzerne | County | 328,149 | 319,429 | 320,918 | o |
| Lycoming | County | 118,710 | 120,003 | 116,111 | o |
| McKean | County | 47,131 | 45,908 | 43,450 | o |
| Mercer | County | 121,003 | 120,368 | 116,638 | o |
| Mifflin | County | 46,197 | 46,471 | 46,682 | o |
| Monroe | County | 95,681 | 138,615 | 169,842 | o |
| Montgomery | County | 678,193 | 749,409 | 799,874 | o |
| Montour | County | 17,735 | 18,234 | 18,267 | o |
| Northampton | County | 247,110 | 267,446 | 297,735 | o |
| Northumberland | County | 96,771 | 94,867 | 94,528 | o |
| Perry | County | 41,172 | 43,636 | 45,969 | o |
| Philadelphia | County | 1,585,577 | 1,517,562 | 1,526,006 | o |
| Pike | County | 28,032 | 46,125 | 57,369 | o |
| Potter | County | 16,717 | 18,082 | 17,457 | o |
| Schuylkill | County | 152,585 | 150,263 | 148,289 | o |
| Snyder | County | 36,680 | 37,506 | 39,702 | o |
| Somerset | County | 78,218 | 80,047 | 77,742 | o |
| Sullivan | County | 6,104 | 6,561 | 6,428 | o |
| Susquehanna | County | 40,380 | 42,225 | 43,356 | o |
| Tioga | County | 41,126 | 41,346 | 41,981 | o |
| Union | County | 36,176 | 41,583 | 44,947 | o |
| Venango | County | 59,381 | 57,500 | 54,984 | o |
| Warren | County | 45,050 | 43,784 | 41,815 | o |
| Washington | County | 204,584 | 203,014 | 207,820 | o |
| Wayne | County | 39,944 | 47,679 | 52,822 | o |
| Westmoreland | County | 370,321 | 369,990 | 365,169 | o |
| Wyoming | County | 28,076 | 28,072 | 28,276 | o |
| York | County | 339,574 | 381,791 | 434,972 | o |
| Pennsylvania | Federal State | 11,882,842 | 12,280,548 | 12,702,379 |
All places in the State of Pennsylvania.
| Name | Status | County | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|---|
| Aaronsburg | Census-Designated Place | Centre | ... | ... | 613 | o |
| Aaronsburg | Census-Designated Place | Washington | ... | ... | 259 | o |
| Abbottstown | Borough | Adams | 574 | 903 | 1,011 | o |
| Ackermanville | Census-Designated Place | Northampton | ... | ... | 610 | o |
| Adamsburg | Borough | Westmoreland | 257 | 221 | 172 | o |
| Adamstown | Borough | 1,073 | 1,201 | 1,789 | o | |
| Adamsville | Census-Designated Place | Crawford | ... | ... | 67 | o |
| Addison | Borough | Somerset | 219 | 214 | 207 | o |
| Akron | Borough | Lancaster | 3,788 | 4,046 | 3,876 | o |
| Alba | Borough | Bradford | 170 | 186 | 157 | o |
| Albion | Borough | Erie | 1,596 | 1,607 | 1,516 | o |
| Albrightsville | Census-Designated Place | Carbon | ... | ... | 202 | o |
| Alburtis | Borough | Lehigh | 1,415 | 2,117 | 2,361 | o |
| Aldan | Borough | Delaware | 4,586 | 4,313 | 4,152 | o |
| Alexandria | Borough | Huntingdon | 411 | 401 | 346 | o |
| Alfarata | Census-Designated Place | Mifflin | ... | ... | 149 | o |
| Aliquippa | City | Beaver | 13,481 | 11,679 | 9,438 | o |
| Alleghenyville | Census-Designated Place | Berks | ... | ... | 1,134 | o |
| Allenport | Census-Designated Place | Huntingdon | ... | ... | 648 | o |
| Allenport | Borough | Washington | 585 | 549 | 537 | o |
| Allensville | Census-Designated Place | Mifflin | ... | ... | 503 | o |
| Allentown | City | Lehigh | 105,473 | 106,649 | 118,032 | o |
| Allenwood | Census-Designated Place | Union | ... | ... | 321 | o |
| Allison | Census-Designated Place | Fayette | ... | ... | 625 | o |
| Allison Park | Census-Designated Place | Allegheny | ... | ... | 21,552 | o |
| Allport | Census-Designated Place | Clearfield | ... | ... | 264 | o |
| Almedia | Census-Designated Place | Columbia | ... | ... | 1,078 | o |
| Alsace Manor | Census-Designated Place | Berks | ... | ... | 478 | o |
| Altamont | Census-Designated Place | Schuylkill | ... | 2,689 | 602 | o |
| Altoona | City | Blair | 52,385 | 49,523 | 46,320 | o |
| Ambler | Borough | Montgomery | 6,628 | 6,426 | 6,417 | o |
| Ambridge | Borough | Beaver | 7,903 | 7,769 | 7,050 | o |
| Amity Gardens | Census-Designated Place | Berks | ... | ... | 3,402 | o |
| Ancient Oaks | Census-Designated Place | Lehigh | ... | ... | 6,661 | o |
| Annville | Census-Designated Place | Lebanon | 4,294 | 4,518 | 4,767 | o |
| Apollo | Borough | Armstrong | 1,873 | 1,765 | 1,647 | o |
| Applewold | Borough | Armstrong | 393 | 356 | 310 | o |
| Arcadia University | Census-Designated Place | Montgomery | ... | ... | 595 | o |
| Archbald | Borough | Lackawanna | 6,227 | 6,220 | 6,984 | o |
| Ardmore | Census-Designated Place | 12,646 | 12,616 | 12,455 | o | |
| Arendtsville | Borough | Adams | 695 | 850 | 952 | o |
| Aristes | Census-Designated Place | Columbia | ... | ... | 311 | o |
| Arlington Heights | Census-Designated Place | Monroe | 4,768 | 5,132 | 6,333 | o |
| Armagh | Borough | Indiana | 104 | 131 | 122 | o |
| Arnold | City | Westmoreland | 6,014 | 5,667 | 5,157 | o |
| Arnold City | Census-Designated Place | Fayette | ... | ... | 498 | o |
| Arnot | Census-Designated Place | Tioga | ... | ... | 332 | o |
| Arona | Borough | Westmoreland | 397 | 403 | 370 | o |
| Ashland | Borough | 3,763 | 3,283 | 2,817 | o | |
| Ashley | Borough | Luzerne | 3,239 | 2,866 | 2,790 | o |
| Ashville | Borough | Cambria | 306 | 279 | 227 | o |
| Aspers | Census-Designated Place | Adams | ... | 324 | 350 | o |
| Aspinwall | Borough | Allegheny | 2,473 | 2,958 | 2,801 | o |
| Atglen | Borough | Chester | 827 | 1,217 | 1,406 | o |
| Athens | Borough | Bradford | 3,480 | 3,415 | 3,367 | o |
| Atkinson Mills | Census-Designated Place | Mifflin | ... | ... | 174 | o |
| Atlantic | Census-Designated Place | Crawford | ... | 43 | 77 | o |
| Atlas | Census-Designated Place | Northumberland | ... | ... | 809 | o |
| Atlasburg | Census-Designated Place | Washington | ... | ... | 401 | o |
| Atwood | Borough | Armstrong | 123 | 112 | 107 | o |
| Auburn | Borough | Schuylkill | 913 | 839 | 741 | o |
| Audubon | Census-Designated Place | Montgomery | 6,328 | 6,549 | 8,433 | o |
| Austin | Borough | Potter | 569 | 623 | 562 | o |
| Avalon | Borough | Allegheny | 5,786 | 5,249 | 4,705 | o |
| Avella | Census-Designated Place | Washington | ... | ... | 804 | o |
| Avis | Borough | Clinton | 1,512 | 1,492 | 1,484 | o |
| Avoca | Borough | Luzerne | 2,563 | 2,849 | 2,661 | o |
| Avon | Census-Designated Place | Lebanon | ... | ... | 1,667 | o |
| Avondale | Borough | Chester | 1,038 | 1,108 | 1,265 | o |
| Avonia | Census-Designated Place | Erie | 1,336 | 1,331 | 1,205 | o |
| Avonmore | Borough | Westmoreland | 1,089 | 820 | 1,011 | o |
| Baden | Borough | Beaver | 5,040 | 4,377 | 4,135 | o |
| Baidland | Census-Designated Place | Washington | 1,620 | 1,576 | 1,563 | o |
| Baileyville | Census-Designated Place | Centre | ... | ... | 201 | o |
| Bainbridge | Census-Designated Place | Lancaster | ... | ... | 1,355 | o |
| Bairdford | Census-Designated Place | Allegheny | ... | ... | 698 | o |
| Bakerstown | Census-Designated Place | Allegheny | ... | ... | 1,761 | o |
| Baldwin | Borough | Allegheny | 21,695 | 19,876 | 19,767 | o |
| Bally | Borough | Berks | 985 | 1,062 | 1,090 | o |
| Bangor | Borough | Northampton | 5,452 | 5,327 | 5,273 | o |
| Barkeyville | Borough | Venango | 274 | 237 | 207 | o |
| Barrville | Census-Designated Place | Mifflin | ... | ... | 160 | o |
| Bath | Borough | Northampton | 2,354 | 2,722 | 2,693 | o |
| Baumstown | Census-Designated Place | Berks | ... | ... | 422 | o |
| Beallsville | Borough | Washington | 530 | 511 | 466 | o |
| Bear Creek Village | Borough | Luzerne | 205 | 284 | 257 | o |
| Bear Lake | Borough | Warren | 193 | 193 | 164 | o |
| Bear Rocks | Census-Designated Place | Fayette | ... | ... | 1,048 | o |
| Beaver | Borough | Beaver | 5,095 | 4,775 | 4,531 | o |
| Beaver Falls | City | Beaver | 10,753 | 9,920 | 8,987 | o |
| Beaver Meadows | Borough | Carbon | 997 | 968 | 869 | o |
| Beaver Springs | Census-Designated Place | Snyder | ... | ... | 674 | o |
| Beaverdale | Census-Designated Place | Cambria | ... | ... | 1,035 | o |
| Beavertown | Borough | Snyder | 896 | 870 | 965 | o |
| Bechtelsville | Borough | Berks | 904 | 931 | 942 | o |
| Bedford | Borough | Bedford | 3,117 | 3,145 | 2,841 | o |
| Beech Creek | Borough | Clinton | 713 | 717 | 701 | o |
| Beech Mountain Lakes | Census-Designated Place | Luzerne | ... | ... | 2,022 | o |
| Belfast | Census-Designated Place | Northampton | 1,102 | 1,301 | 1,257 | o |
| Bell Acres | Borough | Allegheny | 1,479 | 1,344 | 1,388 | o |
| Belle Vernon | Borough | Fayette | 1,224 | 1,211 | 1,093 | o |
| Bellefonte | Borough | Centre | 6,348 | 6,424 | 6,187 | o |
| Belleville | Census-Designated Place | Mifflin | 1,589 | 1,386 | 1,827 | o |
| Bellevue | Borough | Allegheny | 9,202 | 8,794 | 8,370 | o |
| Bellwood | Borough | Blair | 2,010 | 2,016 | 1,828 | o |
| Belmont | Census-Designated Place | Cambria | 3,184 | 2,846 | 2,784 | o |
| Ben Avon | Borough | Allegheny | 2,125 | 1,943 | 1,781 | o |
| Ben Avon Heights | Borough | Allegheny | 399 | 392 | 371 | o |
| Bendersville | Borough | Adams | 559 | 576 | 641 | o |
| Benson | Borough | Somerset | 277 | 194 | 191 | o |
| Bentleyville | Borough | Washington | ... | 2,632 | 2,581 | o |
| Benton | Borough | Columbia | 958 | 952 | 824 | o |
| Berlin | Borough | Somerset | 2,064 | 2,192 | 2,104 | o |
| Bernville | Borough | Berks | 804 | 865 | 955 | o |
| Berrysburg | Borough | Dauphin | 376 | 354 | 368 | o |
| Berwick | Borough | Columbia | 11,003 | 10,766 | 10,477 | o |
| Berwyn | Census-Designated Place | Chester | ... | ... | 3,631 | o |
| Bessemer | Borough | Lawrence | 1,203 | 1,172 | 1,111 | o |
| Bethany | Borough | Wayne | 238 | 292 | 246 | o |
| Bethel | Census-Designated Place | Berks | ... | ... | 499 | o |
| Bethel Park | Municipality | Allegheny | 33,952 | 33,535 | 32,313 | o |
| Bethlehem | City | 71,855 | 71,329 | 74,982 | o | |
| Beurys Lake | Census-Designated Place | Schuylkill | ... | 133 | 124 | o |
| Big Bass Lake | Census-Designated Place | Lackawanna | ... | ... | 1,270 | o |
| Big Beaver | Borough | Beaver | 2,253 | 2,186 | 1,970 | o |
| Big Run | Borough | Jefferson | 699 | 686 | 624 | o |
| Bigler | Census-Designated Place | Clearfield | ... | ... | 398 | o |
| Biglerville | Borough | Adams | 993 | 1,101 | 1,200 | o |
| Birchwood Lakes | Census-Designated Place | Pike | ... | ... | 1,386 | o |
| Bird-in-Hand | Census-Designated Place | Lancaster | ... | ... | 402 | o |
| Birdsboro | Borough | Berks | 4,295 | 5,064 | 5,163 | o |
| Birmingham | Borough | Huntingdon | 109 | 91 | 90 | o |
| Black Lick | Census-Designated Place | Indiana | ... | 1,438 | 1,462 | o |
| Blain | Borough | Perry | 266 | 252 | 263 | o |
| Blairsville | Borough | Indiana | 3,593 | 3,607 | 3,412 | o |
| Blakely | Borough | Lackawanna | 7,245 | 7,027 | 6,564 | o |
| Blanchard | Census-Designated Place | Centre | ... | 621 | 740 | o |
| Blandburg | Census-Designated Place | Cambria | ... | ... | 402 | o |
| Blandon | Census-Designated Place | Berks | ... | ... | 7,152 | o |
| Blawnox | Borough | Allegheny | 1,501 | 1,550 | 1,432 | o |
| Bloomfield | Borough | Perry | 1,092 | 1,077 | 1,247 | o |
| Blooming Valley | Borough | Crawford | 391 | 378 | 337 | o |
| Bloomsburg | Town | Columbia | 12,434 | 12,361 | 14,855 | o |
| Blossburg | Borough | Tioga | 1,571 | 1,480 | 1,538 | o |
| Blue Ball | Census-Designated Place | Lancaster | ... | ... | 1,031 | o |
| Blue Bell | Census-Designated Place | Montgomery | 6,091 | 6,395 | 6,067 | o |
| Blue Ridge Summit | Census-Designated Place | Franklin | ... | ... | 891 | o |
| Boalsburg | Census-Designated Place | Centre | ... | ... | 3,722 | o |
| Bobtown | Census-Designated Place | Greene | ... | ... | 757 | o |
| Boiling Springs | Census-Designated Place | Cumberland | ... | 2,769 | 3,225 | o |
| Bolivar | Borough | Westmoreland | 544 | 501 | 465 | o |
| Bonneauville | Borough | Adams | 1,194 | 1,383 | 1,800 | o |
| Boothwyn | Census-Designated Place | Delaware | 5,069 | 5,206 | 4,933 | o |
| Boston | Census-Designated Place | Allegheny | ... | ... | 545 | o |
| Boswell | Borough | Somerset | 1,483 | 1,364 | 1,277 | o |
| Bowers | Census-Designated Place | Berks | ... | ... | 326 | o |
| Bowmanstown | Borough | Carbon | 885 | 895 | 937 | o |
| Bowmansville | Census-Designated Place | Lancaster | ... | ... | 2,077 | o |
| Boyertown | Borough | Berks | 3,791 | 3,940 | 4,055 | o |
| Brackenridge | Borough | Allegheny | 3,711 | 3,564 | 3,260 | o |
| Braddock | Borough | Allegheny | 4,634 | 2,909 | 2,159 | o |
| Braddock Hills | Borough | Allegheny | 1,848 | 1,995 | 1,880 | o |
| Bradenville | Census-Designated Place | Westmoreland | ... | ... | 545 | o |
| Bradford | City | McKean | 9,640 | 9,179 | 8,770 | o |
| Bradford Woods | Borough | Allegheny | 1,329 | 1,136 | 1,171 | o |
| Branchdale | Census-Designated Place | Schuylkill | ... | ... | 388 | o |
| Brandonville | Census-Designated Place | Schuylkill | ... | 217 | 197 | o |
| Brave | Census-Designated Place | Greene | ... | ... | 201 | o |
| Breinigsville | Census-Designated Place | Lehigh | ... | ... | 4,138 | o |
| Brentwood | Borough | Allegheny | 10,887 | 10,465 | 9,643 | o |
| Bressler | Census-Designated Place | Dauphin | ... | ... | 1,437 | o |
| Briar Creek | Borough | Columbia | 618 | 653 | 660 | o |
| Brickerville | Census-Designated Place | Lancaster | 1,268 | 1,287 | 1,309 | o |
| Bridgeport | Borough | Montgomery | 4,400 | 4,371 | 4,554 | o |
| Bridgeville | Borough | Allegheny | 5,478 | 5,351 | 5,148 | o |
| Bridgewater | Borough | Beaver | 678 | 739 | 704 | o |
| Brisbin | Borough | Clearfield | 369 | 413 | 411 | o |
| Bristol | Borough | Bucks | 10,385 | 9,923 | 9,726 | o |
| Brittany Farms-The Highlands | Census-Designated Place | Bucks | 2,747 | 3,268 | 3,695 | o |
| Broad Top City | Borough | Huntingdon | 331 | 384 | 452 | o |
| Brockway | Borough | Jefferson | 2,196 | 2,180 | 2,072 | o |
| Brodheadsville | Census-Designated Place | Monroe | 1,389 | 1,637 | 1,800 | o |
| Brookhaven | Borough | Delaware | 8,563 | 7,985 | 8,006 | o |
| Brookville | Borough | Jefferson | 4,266 | 4,232 | 3,924 | o |
| Broomall | Census-Designated Place | Delaware | 10,930 | 11,046 | 10,789 | o |
| Brownstown | Borough | Cambria | 930 | 883 | 744 | o |
| Brownstown | Census-Designated Place | Lancaster | ... | ... | 2,816 | o |
| Brownsville | Borough | Fayette | 3,182 | 2,805 | 2,331 | o |
| Browntown | Census-Designated Place | Luzerne | ... | ... | 1,418 | o |
| Bruin | Borough | Butler | 635 | 534 | 524 | o |
| Bryn Athyn | Borough | Montgomery | 1,257 | 1,351 | 1,375 | o |
| Bryn Mawr | Census-Designated Place | Montgomery | 3,271 | 4,382 | 3,779 | o |
| Buck Run | Census-Designated Place | Schuylkill | ... | ... | 176 | o |
| Buckhorn | Census-Designated Place | Columbia | ... | ... | 318 | o |
| Buffington | Census-Designated Place | Fayette | ... | ... | 292 | o |
| Bulger | Census-Designated Place | Washington | ... | ... | 407 | o |
| Burgettstown | Borough | Washington | 1,689 | 1,576 | 1,388 | o |
| Burlington | Borough | Bradford | 172 | 182 | 156 | o |
| Burnham | Borough | Mifflin | 2,250 | 2,144 | 2,054 | o |
| Burnside | Borough | Clearfield | 350 | 283 | 234 | o |
| Butler | City | Butler | 15,724 | 15,121 | 13,757 | o |
| Byrnedale | Census-Designated Place | Elk | ... | ... | 427 | o |
| Cairnbrook | Census-Designated Place | Somerset | ... | ... | 520 | o |
| California | Borough | Washington | 5,723 | 5,274 | 6,795 | o |
| Callensburg | Borough | Clarion | 205 | 218 | 207 | o |
| Callery | Borough | Butler | 422 | 444 | 394 | o |
| Callimont | Borough | Somerset | ... | 44 | 41 | o |
| Caln | Census-Designated Place | Chester | ... | ... | 1,519 | o |
| Calumet | Census-Designated Place | Westmoreland | ... | ... | 1,241 | o |
| Cambridge Springs | Borough | Crawford | 1,858 | 2,363 | 2,595 | o |
| Camp Hill | Borough | Cumberland | 7,377 | 7,636 | 7,888 | o |
| Campbelltown | Census-Designated Place | Lebanon | 1,609 | 2,415 | 3,616 | o |
| Canadohta Lake | Census-Designated Place | Crawford | ... | 572 | 516 | o |
| Canonsburg | Borough | Washington | 9,156 | 8,604 | 8,992 | o |
| Canton | Borough | Bradford | 2,008 | 1,807 | 1,976 | o |
| Carbondale | City | Lackawanna | 10,749 | 9,804 | 8,891 | o |
| Carlisle | Borough | Cumberland | 18,358 | 18,155 | 18,682 | o |
| Carmichaels | Borough | Greene | 576 | 556 | 483 | o |
| Carnegie | Borough | Allegheny | 9,201 | 8,405 | 7,972 | o |
| Carnot-Moon | Census-Designated Place | Allegheny | ... | 10,637 | 11,372 | o |
| Carroll Valley | Borough | Adams | 1,437 | 3,300 | 3,876 | o |
| Carrolltown | Borough | Cambria | 1,299 | 1,049 | 853 | o |
| Cashtown | Census-Designated Place | Adams | ... | ... | 459 | o |
| Cassandra | Borough | Cambria | 192 | 136 | 147 | o |
| Casselman | Borough | Somerset | 89 | 99 | 94 | o |
| Cassville | Borough | Huntingdon | 183 | 152 | 143 | o |
| Castanea | Census-Designated Place | Clinton | 1,123 | 1,189 | 1,125 | o |
| Castle Shannon | Borough | Allegheny | 9,050 | 8,629 | 8,316 | o |
| Catasauqua | Borough | Lehigh | 6,660 | 6,588 | 6,436 | o |
| Catawissa | Borough | Columbia | 1,714 | 1,583 | 1,552 | o |
| Cecil-Bishop | Census-Designated Place | Washington | ... | 2,585 | 2,476 | o |
| Cedar Crest | Census-Designated Place | Mifflin | ... | ... | 195 | o |
| Cementon | Census-Designated Place | Lehigh | ... | ... | 1,538 | o |
| Centerport | Borough | Berks | 286 | 330 | 387 | o |
| Centerville | Borough | Crawford | 249 | 247 | 218 | o |
| Centerville | Borough | Washington | 3,890 | 3,390 | 3,263 | o |
| Central City | Borough | Somerset | 1,240 | 1,258 | 1,124 | o |
| Centralia | Borough | Columbia | 63 | 21 | 10 | o |
| Centre Hall | Borough | Centre | 1,203 | 1,076 | 1,265 | o |
| Cetronia | Census-Designated Place | Lehigh | ... | ... | 2,115 | o |
| Chalfant | Borough | Allegheny | 979 | 853 | 800 | o |
| Chalfont | Borough | Bucks | 2,951 | 3,900 | 4,009 | o |
| Chalkhill | Census-Designated Place | Fayette | ... | ... | 141 | o |
| Chambersburg | Borough | Franklin | 16,964 | 17,842 | 20,268 | o |
| Chapman | Borough | Northampton | 250 | 234 | 199 | o |
| Charleroi | Borough | Washington | 5,178 | 4,871 | 4,120 | o |
| Chase | Census-Designated Place | Luzerne | ... | ... | 978 | o |
| Cherry Tree | Borough | Indiana | 431 | 443 | 364 | o |
| Cherry Valley | Borough | Butler | 101 | 72 | 66 | o |
| Cherryville | Census-Designated Place | Northampton | ... | ... | 1,580 | o |
| Chest Springs | Borough | Cambria | 166 | 110 | 149 | o |
| Chester | City | Delaware | 41,973 | 36,850 | 33,972 | o |
| Chester Heights | Borough | Delaware | 2,352 | 2,481 | 2,531 | o |
| Chester Hill | Borough | Clearfield | 945 | 918 | 883 | o |
| Chester Township | Census-Designated Place | Delaware | 5,399 | 4,604 | 3,940 | o |
| Chesterbrook | Census-Designated Place | Chester | 4,561 | 4,625 | 4,589 | o |
| Cheswick | Borough | Allegheny | 2,000 | 1,853 | 1,746 | o |
| Chevy Chase Heights | Census-Designated Place | Indiana | 1,535 | 1,511 | 1,502 | o |
| Chewton | Census-Designated Place | Lawrence | ... | ... | 488 | o |
| Cheyney University | Census-Designated Place | Chester | ... | ... | 988 | o |
| Chicora | Borough | Butler | 1,077 | 1,021 | 1,043 | o |
| Chinchilla | Census-Designated Place | Lackawanna | ... | ... | 2,098 | o |
| Christiana | Borough | Lancaster | 1,047 | 1,124 | 1,168 | o |
| Church Hill | Census-Designated Place | Mifflin | ... | ... | 1,627 | o |
| Churchill | Borough | Allegheny | 3,921 | 3,545 | 3,011 | o |
| Churchtown | Census-Designated Place | Lancaster | ... | ... | 470 | o |
| Churchville | Census-Designated Place | Bucks | 4,255 | 4,469 | 4,128 | o |
| Clairton | City | Allegheny | 9,603 | 8,456 | 6,796 | o |
| Clarence | Census-Designated Place | Centre | ... | 577 | 626 | o |
| Clarendon | Borough | Warren | 650 | 564 | 450 | o |
| Clarion | Borough | Clarion | 6,529 | 6,161 | 5,276 | o |
| Clark | Borough | Mercer | 622 | 633 | 640 | o |
| Clarks Green | Borough | Lackawanna | 1,577 | 1,630 | 1,476 | o |
| Clarks Summit | Borough | Lackawanna | 5,580 | 5,126 | 5,116 | o |
| Clarksville | Borough | Greene | 211 | 234 | 230 | o |
| Clay | Census-Designated Place | Lancaster | ... | ... | 1,559 | o |
| Claysburg | Census-Designated Place | Blair | 1,399 | 1,503 | 1,625 | o |
| Claysville | Borough | Washington | 960 | 724 | 829 | o |
| Clearfield | Borough | Clearfield | 6,740 | 6,642 | 6,215 | o |
| Cleona | Borough | Lebanon | 2,141 | 2,148 | 2,080 | o |
| Clifton Heights | Borough | Delaware | 7,337 | 6,779 | 6,652 | o |
| Clinton | Census-Designated Place | Allegheny | ... | ... | 434 | o |
| Clintonville | Borough | Venango | 520 | 528 | 508 | o |
| Clymer | Borough | Indiana | 1,515 | 1,547 | 1,357 | o |
| Coal Center | Borough | Washington | 207 | 134 | 139 | o |
| Coaldale | Borough | Bedford | 143 | 146 | 161 | o |
| Coaldale | Borough | Schuylkill | 2,531 | 2,295 | 2,281 | o |
| Coalmont | Borough | Huntingdon | 109 | 128 | 106 | o |
| Coalport | Borough | Clearfield | 578 | 490 | 523 | o |
| Coatesville | City | Chester | 11,213 | 10,838 | 13,100 | o |
| Coburn | Census-Designated Place | Centre | ... | ... | 236 | o |
| Cochranton | Borough | Crawford | 1,174 | 1,139 | 1,136 | o |
| Cochranville | Census-Designated Place | Chester | ... | ... | 668 | o |
| Cokeburg | Borough | Washington | 729 | 705 | 630 | o |
| Collegeville | Borough | Montgomery | ... | 4,988 | 5,089 | o |
| Collingdale | Borough | Delaware | 9,344 | 8,664 | 8,786 | o |
| Collinsburg | Census-Designated Place | Westmoreland | ... | ... | 1,125 | o |
| Colonial Park | Census-Designated Place | Dauphin | 13,777 | 13,259 | 13,229 | o |
| Colony Park | Census-Designated Place | Berks | ... | ... | 1,076 | o |
| Columbia | Borough | Lancaster | 10,803 | 10,324 | 10,400 | o |
| Columbus | Census-Designated Place | Warren | ... | ... | 824 | o |
| Colver | Census-Designated Place | Cambria | 1,024 | 1,035 | 959 | o |
| Colwyn | Borough | Delaware | 2,647 | 2,453 | 2,546 | o |
| Commodore | Census-Designated Place | Indiana | ... | 337 | 331 | o |
| Conashaugh Lakes | Census-Designated Place | Pike | ... | ... | 1,294 | o |
| Conestoga | Census-Designated Place | Lancaster | ... | ... | 1,258 | o |
| Confluence | Borough | Somerset | 873 | 852 | 780 | o |
| Conneaut Lake | Borough | Crawford | 699 | 708 | 653 | o |
| Conneaut Lakeshore | Census-Designated Place | Crawford | ... | 2,502 | 2,395 | o |
| Conneautville | Borough | Crawford | 827 | 848 | 774 | o |
| Connellsville | City | Fayette | 9,293 | 9,087 | 7,637 | o |
| Connoquenessing | Borough | Butler | 499 | 564 | 528 | o |
| Conshohocken | Borough | Montgomery | 8,088 | 7,589 | 7,833 | o |
| Conway | Borough | Beaver | 2,457 | 2,290 | 2,176 | o |
| Conyngham | Borough | Luzerne | 2,078 | 1,958 | 1,914 | o |
| Coopersburg | Borough | Lehigh | 2,730 | 2,582 | 2,386 | o |
| Cooperstown | Borough | Venango | 506 | 460 | 460 | o |
| Coplay | Borough | Lehigh | 3,260 | 3,387 | 3,192 | o |
| Coral | Census-Designated Place | Indiana | ... | ... | 325 | o |
| Coraopolis | Borough | Allegheny | 6,743 | 6,123 | 5,677 | o |
| Cornwall | Borough | Lebanon | 3,220 | 3,483 | 4,112 | o |
| Cornwells Heights | Census-Designated Place | Bucks | ... | ... | 1,391 | o |
| Corry | City | Erie | 7,181 | 6,834 | 6,605 | o |
| Corsica | Borough | Jefferson | 337 | 354 | 357 | o |
| Coudersport | Borough | Potter | 2,866 | 2,650 | 2,546 | o |
| Courtdale | Borough | Luzerne | 832 | 791 | 732 | o |
| Crabtree | Census-Designated Place | Westmoreland | ... | ... | 277 | o |
| Crafton | Borough | Allegheny | 7,225 | 6,702 | 5,951 | o |
| Cranesville | Borough | Erie | 604 | 600 | 638 | o |
| Creekside | Borough | Indiana | 337 | 323 | 309 | o |
| Crenshaw | Census-Designated Place | Jefferson | ... | ... | 468 | o |
| Cresson | Borough | Cambria | 1,813 | 1,631 | 1,711 | o |
| Cressona | Borough | Schuylkill | 1,671 | 1,635 | 1,651 | o |
| Cross Creek | Census-Designated Place | Washington | ... | ... | 137 | o |
| Cross Roads | Borough | York | 261 | 518 | 512 | o |
| Crown | Census-Designated Place | Clarion | ... | ... | 183 | o |
| Croydon | Census-Designated Place | Bucks | 9,967 | 9,993 | 9,950 | o |
| Crucible | Census-Designated Place | Greene | ... | ... | 725 | o |
| Cumbola | Census-Designated Place | Schuylkill | ... | ... | 443 | o |
| Curtisville | Census-Designated Place | Allegheny | 1,285 | 1,173 | 1,064 | o |
| Curwensville | Borough | Clearfield | 2,926 | 2,650 | 2,542 | o |
| Daisytown | Borough | Cambria | 403 | 356 | 326 | o |
| Dale | Borough | Cambria | 1,634 | 1,503 | 1,234 | o |
| Dallas | Borough | Luzerne | 2,889 | 2,557 | 2,804 | o |
| Dallastown | Borough | York | 4,070 | 4,087 | 4,049 | o |
| Dalmatia | Census-Designated Place | Northumberland | ... | ... | 488 | o |
| Dalton | Borough | Lackawanna | 1,370 | 1,294 | 1,234 | o |
| Danville | Borough | Montour | 5,498 | 4,900 | 4,699 | o |
| Darby | Borough | Delaware | 10,931 | 10,299 | 10,687 | o |
| Darby Township | Census-Designated Place | Delaware | 10,955 | 9,622 | 9,264 | o |
| Darlington | Borough | Beaver | ... | 278 | 254 | o |
| Dauberville | Census-Designated Place | Berks | ... | ... | 848 | o |
| Dauphin | Borough | Dauphin | ... | 715 | 791 | o |
| Davidsville | Census-Designated Place | Somerset | ... | 1,119 | 1,130 | o |
| Dawson | Borough | Fayette | 535 | 457 | 367 | o |
| Dayton | Borough | Armstrong | 572 | 540 | 553 | o |
| Deemston | Borough | Washington | 773 | 809 | 722 | o |
| Deer Lake | Census-Designated Place | Fayette | ... | ... | 495 | o |
| Deer Lake | Borough | Schuylkill | 552 | 528 | 687 | o |
| Defiance | Census-Designated Place | Bedford | ... | ... | 239 | o |
| Delano | Census-Designated Place | Schuylkill | ... | 377 | 342 | o |
| Delaware Water Gap | Borough | Monroe | 733 | 725 | 746 | o |
| Delmont | Borough | Westmoreland | 2,039 | 2,497 | 2,686 | o |
| Delta | Borough | York | 761 | 741 | 728 | o |
| Denver | Borough | Lancaster | 2,814 | 3,348 | 3,861 | o |
| Derry | Borough | Westmoreland | 2,959 | 2,991 | 2,688 | o |
| DeSales University | Census-Designated Place | Lehigh | ... | ... | 953 | o |
| Devon | Census-Designated Place | Chester | ... | ... | 1,515 | o |
| Dewart | Census-Designated Place | Northumberland | ... | ... | 1,471 | o |
| Dickson City | Borough | Lackawanna | 6,241 | 6,205 | 6,070 | o |
| Dicksonville | Census-Designated Place | Indiana | ... | 450 | 467 | o |
| Dillsburg | Borough | York | 1,843 | 2,063 | 2,563 | o |
| Donaldson | Census-Designated Place | Schuylkill | ... | 325 | 328 | o |
| Donegal | Borough | Westmoreland | 212 | 165 | 120 | o |
| Donora | Borough | Washington | 5,933 | 5,653 | 4,781 | o |
| Dormont | Borough | Allegheny | 9,788 | 9,337 | 8,593 | o |
| Dorneyville | Census-Designated Place | Lehigh | ... | ... | 4,406 | o |
| Douglassville | Census-Designated Place | Berks | ... | ... | 448 | o |
| Dover | Borough | York | 1,880 | 1,815 | 2,007 | o |
| Downingtown | Borough | Chester | 7,454 | 7,589 | 7,891 | o |
| Doylestown | Borough | Bucks | 8,680 | 8,227 | 8,380 | o |
| Dravosburg | Borough | Allegheny | 2,375 | 2,015 | 1,792 | o |
| Drexel Hill | Census-Designated Place | Delaware | 29,744 | 29,364 | 28,043 | o |
| Driftwood | Borough | Cameron | 116 | 103 | 67 | o |
| Dry Tavern | Census-Designated Place | Greene | ... | ... | 697 | o |
| Dryville | Census-Designated Place | Berks | ... | ... | 398 | o |
| Dublin | Borough | Bucks | 1,865 | 2,083 | 2,158 | o |
| DuBois | City | Clearfield | 8,371 | 8,136 | 7,794 | o |
| Duboistown | Borough | Lycoming | 1,202 | 1,270 | 1,205 | o |
| Dudley | Borough | Huntingdon | ... | 215 | 184 | o |
| Dunbar | Borough | Fayette | 1,304 | 1,223 | 1,042 | o |
| Duncannon | Borough | Perry | 1,478 | 1,508 | 1,522 | o |
| Duncansville | Borough | Blair | 1,209 | 1,238 | 1,233 | o |
| Dunlevy | Borough | Washington | 402 | 397 | 381 | o |
| Dunlo | Census-Designated Place | Cambria | ... | ... | 342 | o |
| Dunmore | Borough | Lackawanna | 15,355 | 14,352 | 14,057 | o |
| Dunnstown | Census-Designated Place | Clinton | 1,486 | 1,365 | 1,360 | o |
| Dupont | Borough | Luzerne | 3,301 | 2,719 | 2,711 | o |
| Duquesne | City | Allegheny | 8,568 | 7,342 | 5,565 | o |
| Duryea | Borough | Luzerne | 4,731 | 4,634 | 4,917 | o |
| Dushore | Borough | Sullivan | 738 | 663 | 608 | o |
| Eagle Lake | Census-Designated Place | Lackawanna | ... | ... | 12 | o |
| Eagles Mere | Borough | Sullivan | 123 | 153 | 120 | o |
| Eagleview | Census-Designated Place | Chester | ... | ... | 1,644 | o |
| Eagleville | Census-Designated Place | Centre | ... | ... | 324 | o |
| Eagleville | Census-Designated Place | Montgomery | 3,637 | 4,458 | 4,800 | o |
| Earlston | Census-Designated Place | Bedford | ... | ... | 1,122 | o |
| East Bangor | Borough | Northampton | 1,048 | 979 | 1,172 | o |
| East Berlin | Borough | Adams | 1,181 | 1,365 | 1,521 | o |
| East Berwick | Census-Designated Place | Luzerne | 2,128 | 1,998 | 2,007 | o |
| East Brady | Borough | Clarion | 1,047 | 1,038 | 942 | o |
| East Butler | Borough | Butler | 743 | 679 | 732 | o |
| East Conemaugh | Borough | Cambria | 1,543 | 1,291 | 1,220 | o |
| East Earl | Census-Designated Place | Lancaster | ... | ... | 1,144 | o |
| East Freedom | Census-Designated Place | Blair | ... | ... | 972 | o |
| East Greenville | Borough | Montgomery | 3,129 | 3,103 | 2,951 | o |
| East Lansdowne | Borough | Delaware | 2,691 | 2,586 | 2,668 | o |
| East McKeesport | Borough | Allegheny | ... | 2,509 | 2,126 | o |
| East Norriton Township | Census-Designated Place | Montgomery | 13,324 | 13,211 | 13,590 | o |
| East Petersburg | Borough | Lancaster | 4,137 | 4,450 | 4,506 | o |
| East Pittsburgh | Borough | Allegheny | ... | 2,132 | 1,822 | o |
| East Prospect | Borough | York | 666 | 678 | 905 | o |
| East Rochester | Borough | Beaver | 706 | 623 | 567 | o |
| East Rutherford | Census-Designated Place | Juniata | ... | ... | 196 | o |
| East Salem | Census-Designated Place | Juniata | ... | ... | 186 | o |
| East Side | Borough | Carbon | 330 | 290 | 317 | o |
| East Stroudsburg | Borough | Monroe | 8,906 | 9,886 | 9,840 | o |
| East Uniontown | Census-Designated Place | Fayette | 2,822 | 2,760 | 2,419 | o |
| East Vandergrift | Borough | Westmoreland | 787 | 742 | 674 | o |
| East Washington | Borough | Washington | ... | 1,993 | 2,234 | o |
| East York | Census-Designated Place | York | 8,487 | 8,782 | 8,777 | o |
| Eastlawn Gardens | Census-Designated Place | Northampton | ... | 2,832 | 3,307 | o |
| Easton | City | Northampton | 26,369 | 26,261 | 26,800 | o |
| Eastvale | Borough | Beaver | 186 | 293 | 225 | o |
| Eau Claire | Borough | Butler | 371 | 355 | 316 | o |
| Ebensburg | Borough | Cambria | 3,965 | 3,091 | 3,351 | o |
| Economy | Borough | Beaver | 9,341 | 9,363 | 8,970 | o |
| Eddington | Census-Designated Place | Bucks | ... | ... | 1,906 | o |
| Eddystone | Borough | Delaware | 2,346 | 2,442 | 2,410 | o |
| Edenborn | Census-Designated Place | Fayette | ... | ... | 294 | o |
| Edenburg | Census-Designated Place | Berks | ... | ... | 681 | o |
| Edgewood | Borough | Allegheny | ... | 3,433 | 3,118 | o |
| Edgewood | Census-Designated Place | Northumberland | 2,719 | 2,619 | 2,384 | o |
| Edgeworth | Borough | Allegheny | 1,659 | 1,727 | 1,680 | o |
| Edie | Census-Designated Place | Somerset | ... | ... | 83 | o |
| Edinboro | Borough | Erie | 7,746 | 6,950 | 6,438 | o |
| Edwardsville | Borough | Luzerne | 5,501 | 4,984 | 4,816 | o |
| Effort | Census-Designated Place | Monroe | ... | ... | 2,269 | o |
| Egypt | Census-Designated Place | Lehigh | ... | ... | 2,391 | o |
| Ehrenfeld | Borough | Cambria | 307 | 234 | 228 | o |
| Eighty Four | Census-Designated Place | Washington | ... | ... | 657 | o |
| Elco | Borough | Washington | 373 | 362 | 323 | o |
| Elderton | Borough | Armstrong | 371 | 358 | 356 | o |
| Eldred | Borough | McKean | 886 | 854 | 825 | o |
| Elgin | Borough | Erie | 224 | 236 | 218 | o |
| Elim | Census-Designated Place | Cambria | 3,861 | 4,175 | 3,727 | o |
| Elizabeth | Borough | Allegheny | 1,618 | 1,580 | 1,493 | o |
| Elizabethtown | Borough | Lancaster | 10,035 | 11,879 | 11,545 | o |
| Elizabethville | Borough | Dauphin | 1,488 | 1,344 | 1,510 | o |
| Elkland | Borough | Tioga | 1,850 | 1,786 | 1,821 | o |
| Ellport | Borough | Lawrence | 1,337 | 1,148 | 1,180 | o |
| Ellsworth | Borough | Washington | 1,048 | 1,083 | 1,027 | o |
| Ellwood City | Borough | 9,041 | 8,711 | 7,921 | o | |
| Elrama | Census-Designated Place | Washington | ... | ... | 307 | o |
| Elverson | Borough | Chester | 470 | 959 | 1,225 | o |
| Elysburg | Census-Designated Place | Northumberland | 1,890 | 2,067 | 2,194 | o |
| Emerald Lakes | Census-Designated Place | Monroe | ... | ... | 2,886 | o |
| Emigsville | Census-Designated Place | York | 2,580 | 2,467 | 2,672 | o |
| Emlenton | Borough | 834 | 784 | 625 | o | |
| Emmaus | Borough | Lehigh | 11,404 | 11,313 | 11,211 | o |
| Emporium | Borough | Cameron | 2,513 | 2,526 | 2,073 | o |
| Emsworth | Borough | Allegheny | 2,907 | 2,615 | 2,449 | o |
| Englewood | Census-Designated Place | Schuylkill | ... | 484 | 532 | o |
| Enhaut | Census-Designated Place | Dauphin | ... | ... | 1,007 | o |
| Enlow | Census-Designated Place | Allegheny | ... | ... | 1,013 | o |
| Enola | Census-Designated Place | Cumberland | 5,961 | 5,627 | 6,111 | o |
| Enon Valley | Borough | Lawrence | 355 | 387 | 306 | o |
| Ephrata | Borough | Lancaster | 12,434 | 13,182 | 13,394 | o |
| Erie | City | Erie | 108,717 | 103,688 | 101,786 | o |
| Ernest | Borough | Indiana | 492 | 501 | 462 | o |
| Espy | Census-Designated Place | Columbia | 1,430 | 1,428 | 1,642 | o |
| Etna | Borough | Allegheny | 4,161 | 3,996 | 3,451 | o |
| Evans City | Borough | Butler | 2,065 | 2,009 | 1,833 | o |
| Evansburg | Census-Designated Place | Montgomery | 1,047 | 1,536 | 2,129 | o |
| Everett | Borough | Bedford | 1,784 | 1,905 | 1,834 | o |
| Everson | Borough | Fayette | 939 | 842 | 793 | o |
| Exeter | Borough | Luzerne | 5,486 | 5,955 | 5,652 | o |
| Export | Borough | Westmoreland | 963 | 895 | 917 | o |
| Exton | Census-Designated Place | Chester | 2,550 | 4,267 | 4,842 | o |
| Eyers Grove | Census-Designated Place | Columbia | ... | 86 | 105 | o |
| Factoryville | Borough | Wyoming | 1,317 | 1,144 | 1,158 | o |
| Fairchance | Borough | Fayette | 1,921 | 2,174 | 1,975 | o |
| Fairdale | Census-Designated Place | Greene | 2,049 | 1,955 | 2,059 | o |
| Fairfield | Borough | Adams | 556 | 486 | 507 | o |
| Fairhope | Census-Designated Place | Fayette | ... | ... | 1,151 | o |
| Fairless Hills | Census-Designated Place | Bucks | 9,026 | 8,365 | 8,466 | o |
| Fairview | Borough | Butler | 218 | 220 | 198 | o |
| Fairview | Census-Designated Place | Erie | ... | ... | 2,348 | o |
| Fairview-Ferndale | Census-Designated Place | Northumberland | 2,895 | 2,411 | 2,139 | o |
| Falls Creek | Borough | 1,152 | 985 | 1,037 | o | |
| Fallston | Borough | Beaver | 412 | 307 | 266 | o |
| Falmouth | Census-Designated Place | Lancaster | ... | ... | 420 | o |
| Farmersville | Census-Designated Place | Lancaster | ... | ... | 991 | o |
| Farmington | Census-Designated Place | Fayette | ... | ... | 767 | o |
| Farrell | City | Mercer | 6,834 | 6,050 | 5,111 | o |
| Fawn Grove | Borough | York | 508 | 463 | 452 | o |
| Fawn Lake Forest | Census-Designated Place | Pike | ... | ... | 755 | o |
| Faxon | Census-Designated Place | Lycoming | ... | ... | 1,395 | o |
| Fayette City | Borough | Fayette | 721 | 714 | 596 | o |
| Fayetteville | Census-Designated Place | Franklin | 3,033 | 2,774 | 3,128 | o |
| Feasterville | Census-Designated Place | Bucks | ... | ... | 3,074 | o |
| Fellsburg | Census-Designated Place | Westmoreland | ... | ... | 1,180 | o |
| Felton | Borough | York | 513 | 449 | 506 | o |
| Ferndale | Borough | Cambria | 2,005 | 1,834 | 1,636 | o |
| Fernville | Census-Designated Place | Columbia | ... | 488 | 556 | o |
| Fernway | Census-Designated Place | Butler | 9,072 | 12,188 | 12,414 | o |
| Finleyville | Borough | Washington | 460 | 459 | 461 | o |
| Fivepointville | Census-Designated Place | Lancaster | ... | ... | 1,156 | o |
| Fleetwood | Borough | Berks | 3,496 | 4,018 | 4,085 | o |
| Flemington | Borough | Clinton | 1,377 | 1,319 | 1,330 | o |
| Flora Dale | Census-Designated Place | Adams | ... | ... | 38 | o |
| Flourtown | Census-Designated Place | Montgomery | 4,754 | 4,669 | 4,538 | o |
| Flying Hills | Census-Designated Place | Berks | ... | ... | 2,568 | o |
| Folcroft | Borough | Delaware | 7,491 | 6,978 | 6,606 | o |
| Folsom | Census-Designated Place | Delaware | 8,173 | 8,072 | 8,323 | o |
| Foot of Ten | Census-Designated Place | Blair | ... | ... | 672 | o |
| Force | Census-Designated Place | Elk | ... | ... | 253 | o |
| Ford City | Borough | Armstrong | 3,462 | 3,461 | 2,991 | o |
| Ford Cliff | Borough | Armstrong | 462 | 412 | 371 | o |
| Forest City | Borough | Susquehanna | 2,065 | 1,855 | 1,911 | o |
| Forest Hills | Borough | Allegheny | ... | 7,099 | 6,518 | o |
| Forestville | Census-Designated Place | Schuylkill | ... | 431 | 435 | o |
| Forksville | Borough | Sullivan | 160 | 147 | 145 | o |
| Fort Indiantown Gap | Census-Designated Place | Lebanon | ... | 85 | 143 | o |
| Fort Loudon | Census-Designated Place | Franklin | ... | ... | 886 | o |
| Fort Washington | Census-Designated Place | Montgomery | ... | ... | 5,446 | o |
| Forty Fort | Borough | Luzerne | 4,943 | 4,579 | 4,214 | o |
| Foster Brook | Census-Designated Place | McKean | ... | ... | 1,251 | o |
| Foundryville | Census-Designated Place | Columbia | ... | ... | 256 | o |
| Fountain Hill | Borough | Lehigh | 4,633 | 4,614 | 4,597 | o |
| Fountain Springs | Census-Designated Place | Schuylkill | ... | ... | 278 | o |
| Fox Chapel | Borough | Allegheny | ... | 5,717 | 5,388 | o |
| Fox Chase | Census-Designated Place | Berks | ... | ... | 1,622 | o |
| Fox Run | Census-Designated Place | Butler | 2,384 | 3,044 | 3,282 | o |
| Foxburg | Borough | Clarion | 262 | 271 | 183 | o |
| Frackville | Borough | Schuylkill | 4,803 | 4,361 | 3,805 | o |
| Frankfort Springs | Borough | Beaver | 134 | 130 | 130 | o |
| Franklin | Borough | Cambria | 596 | 442 | 323 | o |
| Franklin | City | Venango | 7,329 | 7,211 | 6,545 | o |
| Franklin Park | Borough | Allegheny | 10,059 | 11,413 | 13,470 | o |
| Franklintown | Borough | York | 364 | 532 | 489 | o |
| Fredericksburg | Census-Designated Place | Crawford | ... | ... | 733 | o |
| Fredericksburg | Census-Designated Place | Lebanon | ... | 987 | 1,357 | o |
| Fredericktown | Census-Designated Place | Washington | ... | ... | 403 | o |
| Fredonia | Borough | Mercer | 661 | 652 | 502 | o |
| Freeburg | Borough | Snyder | 640 | 584 | 575 | o |
| Freedom | Borough | Beaver | 1,918 | 1,763 | 1,569 | o |
| Freeland | Borough | Luzerne | 3,930 | 3,643 | 3,531 | o |
| Freemansburg | Borough | Northampton | 1,743 | 1,897 | 2,636 | o |
| Freeport | Borough | Armstrong | 2,027 | 1,962 | 1,813 | o |
| Friedens | Census-Designated Place | Somerset | 1,576 | 1,673 | 1,523 | o |
| Friedensburg | Census-Designated Place | Schuylkill | ... | 828 | 858 | o |
| Friendsville | Borough | Susquehanna | 102 | 91 | 111 | o |
| Frizzleburg | Census-Designated Place | Lawrence | ... | ... | 602 | o |
| Frystown | Census-Designated Place | Berks | ... | ... | 380 | o |
| Fullerton | Census-Designated Place | Lehigh | 13,127 | 14,268 | 14,925 | o |
| Galeton | Borough | Potter | ... | 1,378 | 1,149 | o |
| Gallitzin | Borough | Cambria | 1,982 | 1,756 | 1,668 | o |
| Gap | Census-Designated Place | Lancaster | ... | 1,611 | 1,931 | o |
| Garden View | Census-Designated Place | Lycoming | 2,687 | 2,679 | 2,503 | o |
| Gardners | Census-Designated Place | Adams | ... | ... | 150 | o |
| Garrett | Borough | Somerset | 520 | 449 | 456 | o |
| Gastonville | Census-Designated Place | Washington | 3,090 | 3,002 | 2,818 | o |
| Geistown | Borough | Cambria | 2,824 | 2,555 | 2,467 | o |
| Geneva | Census-Designated Place | Crawford | ... | 115 | 109 | o |
| Georgetown | Borough | Beaver | ... | 172 | 174 | o |
| Georgetown | Census-Designated Place | Lancaster | ... | ... | 1,022 | o |
| Georgetown | Census-Designated Place | Luzerne | ... | ... | 1,640 | o |
| Gettysburg | Borough | Adams | 7,135 | 7,490 | 7,620 | o |
| Gibraltar | Census-Designated Place | Berks | ... | ... | 680 | o |
| Gibsonia | Census-Designated Place | Allegheny | ... | ... | 2,733 | o |
| Gilberton | Borough | Schuylkill | 1,261 | 867 | 769 | o |
| Gilbertsville | Census-Designated Place | Montgomery | 3,994 | 4,242 | 4,832 | o |
| Girard | Borough | Erie | 2,884 | 3,164 | 3,104 | o |
| Girardville | Borough | Schuylkill | 2,039 | 1,742 | 1,519 | o |
| Glasgow | Borough | Beaver | 74 | 63 | 60 | o |
| Glassport | Borough | Allegheny | 5,587 | 4,977 | 4,483 | o |
| Glen Campbell | Borough | Indiana | 313 | 306 | 245 | o |
| Glen Hope | Borough | Clearfield | 187 | 149 | 142 | o |
| Glen Lyon | Census-Designated Place | Luzerne | 2,082 | 1,881 | 1,873 | o |
| Glen Osborne | Borough | Allegheny | ... | 568 | 547 | o |
| Glen Rock | Borough | York | 1,752 | 1,784 | 2,025 | o |
| Glenburn | Census-Designated Place | Lackawanna | ... | ... | 953 | o |
| Glendon | Borough | Northampton | 513 | 367 | 440 | o |
| Glenfield | Borough | Allegheny | 237 | 235 | 205 | o |
| Glenolden | Borough | Delaware | 7,255 | 7,476 | 7,153 | o |
| Glenshaw | Census-Designated Place | Allegheny | ... | ... | 8,981 | o |
| Glenside | Census-Designated Place | Montgomery | 8,704 | 7,914 | 8,384 | o |
| Gold Key Lake | Census-Designated Place | Pike | ... | ... | 1,830 | o |
| Goldsboro | Borough | York | 464 | 939 | 952 | o |
| Goodville | Census-Designated Place | Lancaster | ... | ... | 482 | o |
| Gordon | Borough | Schuylkill | 768 | 781 | 763 | o |
| Gordonville | Census-Designated Place | Lancaster | ... | ... | 508 | o |
| Gouglersville | Census-Designated Place | Berks | ... | ... | 548 | o |
| Gouldsboro | Census-Designated Place | Wayne | ... | ... | 890 | o |
| Graceton | Census-Designated Place | Indiana | ... | ... | 257 | o |
| Grampian | Borough | Clearfield | 395 | 441 | 356 | o |
| Grantley | Census-Designated Place | York | 3,069 | 3,580 | 3,628 | o |
| Granville | Census-Designated Place | Mifflin | ... | ... | 440 | o |
| Grapeville | Census-Designated Place | Westmoreland | ... | 676 | 538 | o |
| Grassflat | Census-Designated Place | Clearfield | ... | ... | 511 | o |
| Gratz | Borough | Dauphin | 718 | 676 | 765 | o |
| Grazierville | Census-Designated Place | Blair | ... | ... | 665 | o |
| Great Bend | Borough | Susquehanna | 703 | 700 | 734 | o |
| Green Hills | Borough | Washington | 23 | 18 | 29 | o |
| Green Lane | Borough | Montgomery | 416 | 584 | 508 | o |
| Green Tree | Borough | Allegheny | 4,856 | 4,820 | 4,432 | o |
| Greencastle | Borough | Franklin | 3,673 | 3,722 | 3,996 | o |
| Greenfields | Census-Designated Place | Berks | ... | ... | 1,170 | o |
| Greenock | Census-Designated Place | Allegheny | ... | ... | 2,195 | o |
| Greens Landing | Census-Designated Place | Bradford | ... | ... | 894 | o |
| Greensboro | Borough | Greene | 307 | 295 | 260 | o |
| Greensburg | City | Westmoreland | 16,305 | 15,892 | 14,892 | o |
| Greenville | Borough | Mercer | 6,761 | 6,368 | 5,919 | o |
| Greenwood | Census-Designated Place | Blair | ... | ... | 2,458 | o |
| Grier City | Census-Designated Place | Schuylkill | ... | ... | 241 | o |
| Grill | Census-Designated Place | Berks | ... | ... | 1,468 | o |
| Grindstone | Census-Designated Place | Fayette | ... | ... | 498 | o |
| Grove City | Borough | Mercer | 8,348 | 8,024 | 8,322 | o |
| Guilford | Census-Designated Place | Franklin | ... | ... | 2,138 | o |
| Guys Mills | Census-Designated Place | Crawford | ... | 133 | 124 | o |
| Halfway House | Census-Designated Place | Montgomery | 1,415 | 1,823 | 2,881 | o |
| Halifax | Borough | Dauphin | 937 | 875 | 841 | o |
| Hallam | Borough | York | 1,308 | 1,532 | 2,673 | o |
| Hallstead | Borough | Susquehanna | 1,296 | 1,216 | 1,303 | o |
| Hamburg | Borough | Berks | 4,340 | 4,110 | 4,289 | o |
| Hampton | Census-Designated Place | Adams | ... | 633 | 632 | o |
| Hannasville | Census-Designated Place | Venango | ... | ... | 176 | o |
| Hanover | Borough | York | 14,666 | 14,536 | 15,289 | o |
| Harleigh | Census-Designated Place | Luzerne | ... | ... | 1,104 | o |
| Harleysville | Census-Designated Place | Montgomery | 7,405 | 8,795 | 9,286 | o |
| Harmonsburg | Census-Designated Place | Crawford | ... | 356 | 401 | o |
| Harmony | Borough | Butler | 1,016 | 937 | 890 | o |
| Harmony Township | Census-Designated Place | Beaver | 3,694 | 3,373 | 3,197 | o |
| Harrisburg | City | Dauphin | 51,964 | 48,950 | 49,528 | o |
| Harrison City | Census-Designated Place | Westmoreland | ... | 155 | 134 | o |
| Harrison Township | Census-Designated Place | Allegheny | 11,763 | 10,934 | 10,461 | o |
| Harrisville | Borough | Butler | 862 | 883 | 897 | o |
| Hartleton | Borough | Union | 246 | 260 | 283 | o |
| Hartstown | Census-Designated Place | Crawford | ... | ... | 201 | o |
| Harveys Lake | Borough | Luzerne | 2,732 | 2,888 | 2,791 | o |
| Harwick | Census-Designated Place | Allegheny | ... | ... | 899 | o |
| Hasson Heights | Census-Designated Place | Venango | ... | 1,495 | 1,351 | o |
| Hastings | Borough | Cambria | 1,386 | 1,398 | 1,278 | o |
| Hatboro | Borough | Montgomery | 7,532 | 7,393 | 7,360 | o |
| Hatfield | Borough | Montgomery | 2,638 | 2,605 | 3,290 | o |
| Haverford College | Census-Designated Place | Delaware | ... | ... | 1,331 | o |
| Hawk Run | Census-Designated Place | Clearfield | ... | ... | 534 | o |
| Hawley | Borough | Wayne | 1,244 | 1,294 | 1,211 | o |
| Hawthorn | Borough | Clarion | 528 | 587 | 494 | o |
| Haysville | Borough | Allegheny | ... | 73 | 70 | o |
| Hazleton | City | Luzerne | 25,555 | 23,337 | 25,340 | o |
| Hebron | Census-Designated Place | Lebanon | ... | ... | 1,305 | o |
| Heckscherville | Census-Designated Place | Schuylkill | ... | ... | 220 | o |
| Hegins | Census-Designated Place | Schuylkill | ... | ... | 812 | o |
| Heidelberg | Borough | Allegheny | 1,260 | 1,223 | 1,244 | o |
| Heidlersburg | Census-Designated Place | Adams | ... | ... | 707 | o |
| Heilwood | Census-Designated Place | Indiana | ... | 786 | 711 | o |
| Hellertown | Borough | Northampton | 5,689 | 5,606 | 5,898 | o |
| Hemlock Farms | Census-Designated Place | Pike | ... | ... | 3,271 | o |
| Hendersonville | Census-Designated Place | Washington | ... | ... | 325 | o |
| Hereford | Census-Designated Place | Berks | ... | ... | 930 | o |
| Herminie | Census-Designated Place | Westmoreland | ... | 856 | 789 | o |
| Hermitage | City | Mercer | 15,319 | 16,154 | 16,220 | o |
| Herndon | Borough | Northumberland | 422 | 383 | 324 | o |
| Hershey | Census-Designated Place | Dauphin | 11,860 | 12,771 | 14,257 | o |
| Hickory | Census-Designated Place | Washington | ... | ... | 740 | o |
| Hickory Hills | Census-Designated Place | Luzerne | ... | ... | 562 | o |
| Highland Park | Census-Designated Place | Mifflin | 1,583 | 1,446 | 1,380 | o |
| Highspire | Borough | Dauphin | 2,734 | 2,720 | 2,399 | o |
| Hilldale | Census-Designated Place | Luzerne | ... | ... | 1,246 | o |
| Hiller | Census-Designated Place | Fayette | 1,401 | 1,234 | 1,155 | o |
| Hokendauqua | Census-Designated Place | Lehigh | 3,413 | 3,411 | 3,378 | o |
| Holiday Pocono | Census-Designated Place | Carbon | ... | ... | 476 | o |
| Hollidaysburg | Borough | Blair | 5,694 | 5,368 | 5,791 | o |
| Homeacre-Lyndora | Census-Designated Place | Butler | 7,511 | 6,685 | 6,906 | o |
| Homer City | Borough | Indiana | 1,853 | 1,844 | 1,707 | o |
| Homestead | Borough | Allegheny | ... | 3,723 | 3,165 | o |
| Hometown | Census-Designated Place | Schuylkill | 1,545 | 1,399 | 1,349 | o |
| Homewood | Borough | Beaver | 196 | 147 | 109 | o |
| Honesdale | Borough | Wayne | 5,014 | 4,878 | 4,480 | o |
| Honey Brook | Borough | Chester | ... | 1,389 | 1,713 | o |
| Hookstown | Borough | Beaver | 169 | 152 | 147 | o |
| Hooversville | Borough | Somerset | 731 | 779 | 645 | o |
| Hop Bottom | Borough | Susquehanna | 345 | 333 | 337 | o |
| Hopeland | Census-Designated Place | Lancaster | ... | ... | 738 | o |
| Hopewell | Borough | Bedford | 194 | 222 | 230 | o |
| Hopwood | Census-Designated Place | Fayette | 2,021 | 2,006 | 2,090 | o |
| Horsham | Census-Designated Place | Montgomery | 15,051 | 14,779 | 14,842 | o |
| Hostetter | Census-Designated Place | Westmoreland | ... | ... | 740 | o |
| Houserville | Census-Designated Place | Centre | ... | 1,809 | 1,814 | o |
| Houston | Borough | Washington | 1,465 | 1,314 | 1,296 | o |
| Houtzdale | Borough | Clearfield | 1,236 | 949 | 797 | o |
| Howard | Borough | Centre | ... | 676 | 720 | o |
| Hublersburg | Census-Designated Place | Centre | ... | ... | 104 | o |
| Hudson | Census-Designated Place | Luzerne | ... | ... | 1,443 | o |
| Hughestown | Borough | Luzerne | 1,584 | 1,541 | 1,392 | o |
| Hughesville | Borough | Lycoming | 2,053 | 2,208 | 2,128 | o |
| Hulmeville | Borough | Bucks | 967 | 893 | 1,003 | o |
| Hummels Wharf | Census-Designated Place | Snyder | ... | ... | 1,353 | o |
| Hummelstown | Borough | Dauphin | 4,073 | 4,360 | 4,538 | o |
| Hunker | Borough | Westmoreland | 328 | 329 | 291 | o |
| Hunterstown | Census-Designated Place | Adams | ... | ... | 547 | o |
| Huntingdon | Borough | Huntingdon | 6,893 | 6,918 | 7,093 | o |
| Hyde | Census-Designated Place | Clearfield | 1,643 | 1,491 | 1,399 | o |
| Hyde Park | Census-Designated Place | Berks | ... | ... | 2,528 | o |
| Hyde Park | Borough | Westmoreland | 542 | 513 | 500 | o |
| Hydetown | Borough | Crawford | 791 | 620 | 526 | o |
| Hyndman | Borough | Bedford | 1,019 | 999 | 910 | o |
| Idaville | Census-Designated Place | Adams | ... | ... | 177 | o |
| Imperial | Census-Designated Place | Allegheny | ... | ... | 2,541 | o |
| Indian Lake | Borough | Somerset | 388 | 450 | 394 | o |
| Indian Mountain Lake | Census-Designated Place | Monroe | ... | ... | 4,372 | o |
| Indiana | Borough | Indiana | 15,410 | 14,998 | 13,975 | o |
| Industry | Borough | Beaver | 2,110 | 1,921 | 1,835 | o |
| Ingram | Borough | Allegheny | 4,003 | 3,731 | 3,330 | o |
| Inkerman | Census-Designated Place | Luzerne | ... | ... | 1,819 | o |
| Intercourse | Census-Designated Place | Lancaster | ... | ... | 1,274 | o |
| Iola | Census-Designated Place | Columbia | ... | 129 | 144 | o |
| Irvona | Borough | Clearfield | 671 | 688 | 647 | o |
| Irwin | Borough | Westmoreland | 4,618 | 4,366 | 3,973 | o |
| Ivyland | Borough | Bucks | 501 | 492 | 1,041 | o |
| Jackson Center | Borough | Mercer | 254 | 221 | 224 | o |
| Jacksonville | Census-Designated Place | Centre | ... | ... | 95 | o |
| Jacksonville | Census-Designated Place | Indiana | ... | 675 | 637 | o |
| Jacksonwald | Census-Designated Place | Berks | ... | ... | 3,393 | o |
| Jacobus | Borough | York | 1,399 | 1,197 | 1,841 | o |
| James City | Census-Designated Place | Elk | ... | ... | 287 | o |
| Jamestown | Borough | Mercer | 755 | 636 | 617 | o |
| Jamison City | Census-Designated Place | Columbia | ... | ... | 134 | o |
| Jeannette | City | Westmoreland | 11,161 | 10,654 | 9,654 | o |
| Jeddo | Borough | Luzerne | 110 | 144 | 98 | o |
| Jefferson | Borough | Greene | 355 | 337 | 270 | o |
| Jefferson | Borough | York | 675 | 631 | 733 | o |
| Jefferson Hills | Borough | Allegheny | 9,585 | 9,711 | 10,619 | o |
| Jenkintown | Borough | Montgomery | 4,439 | 4,478 | 4,422 | o |
| Jennerstown | Borough | Somerset | 635 | 714 | 695 | o |
| Jermyn | Borough | Lackawanna | 2,328 | 2,287 | 2,169 | o |
| Jerome | Census-Designated Place | Somerset | 1,074 | 1,068 | 1,017 | o |
| Jersey Shore | Borough | Lycoming | 4,364 | 4,482 | 4,361 | o |
| Jerseytown | Census-Designated Place | Columbia | ... | ... | 184 | o |
| Jessup | Borough | Lackawanna | 4,624 | 4,703 | 4,676 | o |
| Jim Thorpe | Borough | Carbon | 5,045 | 4,804 | 4,781 | o |
| Joffre | Census-Designated Place | Washington | ... | ... | 536 | o |
| Johnsonburg | Borough | Elk | 3,350 | 3,004 | 2,483 | o |
| Johnstown | City | Cambria | 28,087 | 23,906 | 20,978 | o |
| Jonestown | Census-Designated Place | Columbia | ... | ... | 64 | o |
| Jonestown | Borough | Lebanon | 935 | 1,028 | 1,905 | o |
| Julian | Census-Designated Place | Centre | ... | 152 | 152 | o |
| Juniata Terrace | Borough | Mifflin | 563 | 502 | 542 | o |
| Kane | Borough | McKean | 4,496 | 4,127 | 3,730 | o |
| Kapp Heights | Census-Designated Place | Northumberland | ... | ... | 863 | o |
| Karns City | Borough | Butler | 226 | 244 | 209 | o |
| Kelayres | Census-Designated Place | Schuylkill | ... | ... | 533 | o |
| Kempton | Census-Designated Place | Berks | ... | ... | 169 | o |
| Kenhorst | Borough | Berks | 2,877 | 2,693 | 2,877 | o |
| Kenilworth | Census-Designated Place | Chester | ... | 1,576 | 1,907 | o |
| Kenmar | Census-Designated Place | Lycoming | ... | ... | 4,124 | o |
| Kennedy Township | Census-Designated Place | Allegheny | 7,152 | 7,504 | 7,672 | o |
| Kennerdell | Census-Designated Place | Venango | ... | ... | 247 | o |
| Kennett Square | Borough | Chester | 5,311 | 5,273 | 6,072 | o |
| Kerrtown | Census-Designated Place | Crawford | ... | ... | 305 | o |
| Kersey | Census-Designated Place | Elk | ... | ... | 937 | o |
| King of Prussia | Census-Designated Place | Montgomery | 18,406 | 18,511 | 19,936 | o |
| Kingston | Borough | Luzerne | 14,789 | 13,855 | 13,182 | o |
| Kirkwood | Census-Designated Place | Lancaster | ... | ... | 396 | o |
| Kiskimere | Census-Designated Place | Armstrong | ... | ... | 136 | o |
| Kistler | Borough | Mifflin | 314 | 344 | 320 | o |
| Kittanning | Borough | Armstrong | 5,135 | 4,785 | 4,044 | o |
| Klingerstown | Census-Designated Place | Schuylkill | ... | ... | 127 | o |
| Knox | Borough | Clarion | 1,182 | 1,171 | 1,146 | o |
| Knoxville | Borough | Tioga | 589 | 617 | 629 | o |
| Koppel | Borough | Beaver | 1,024 | 856 | 762 | o |
| Kratzerville | Census-Designated Place | Snyder | ... | 391 | 383 | o |
| Kreamer | Census-Designated Place | Snyder | ... | ... | 822 | o |
| Kulpmont | Borough | Northumberland | 3,238 | 2,985 | 2,924 | o |
| Kulpsville | Census-Designated Place | Montgomery | 5,183 | 8,005 | 8,194 | o |
| Kutztown | Borough | Berks | ... | 4,789 | 5,012 | o |
| Kutztown University | Census-Designated Place | Berks | ... | ... | 2,918 | o |
| Kylertown | Census-Designated Place | Clearfield | ... | ... | 340 | o |
| Laceyville | Borough | Wyoming | 436 | 396 | 379 | o |
| Laflin | Borough | Luzerne | 1,514 | 1,502 | 1,487 | o |
| Lake Arthur Estates | Census-Designated Place | Butler | ... | ... | 594 | o |
| Lake City | Borough | Erie | 2,518 | 2,811 | 3,031 | o |
| Lake Heritage | Census-Designated Place | Adams | ... | 1,136 | 1,333 | o |
| Lake Latonka | Census-Designated Place | Mercer | ... | ... | 1,012 | o |
| Lake Meade | Census-Designated Place | Adams | ... | ... | 2,563 | o |
| Lake Winola | Census-Designated Place | Wyoming | ... | ... | 748 | o |
| Lake Wynonah | Census-Designated Place | Schuylkill | 1,055 | 1,961 | 2,640 | o |
| Lakemont | Census-Designated Place | Blair | ... | ... | 1,868 | o |
| Lamar | Census-Designated Place | Clinton | ... | ... | 562 | o |
| Lampeter | Census-Designated Place | Lancaster | ... | ... | 1,669 | o |
| Lancaster | City | Lancaster | 55,720 | 56,795 | 59,322 | o |
| Landingville | Borough | Schuylkill | 192 | 175 | 159 | o |
| Landisburg | Borough | Perry | 178 | 195 | 218 | o |
| Landisville | Census-Designated Place | Lancaster | ... | ... | 1,893 | o |
| Lanesboro | Borough | Susquehanna | 581 | 588 | 506 | o |
| Langeloth | Census-Designated Place | Washington | ... | ... | 717 | o |
| Langhorne | Borough | Bucks | 1,375 | 1,981 | 1,622 | o |
| Langhorne Manor | Borough | Bucks | ... | 1,106 | 1,442 | o |
| Lansdale | Borough | Montgomery | 16,280 | 16,071 | 16,269 | o |
| Lansdowne | Borough | Delaware | 11,703 | 11,044 | 10,620 | o |
| Lansford | Borough | Carbon | 4,574 | 4,230 | 3,941 | o |
| Laporte | Borough | Sullivan | 328 | 290 | 316 | o |
| Larksville | Borough | Luzerne | 4,753 | 4,696 | 4,480 | o |
| Latrobe | City | Westmoreland | 9,485 | 8,994 | 8,338 | o |
| Lattimer | Census-Designated Place | Luzerne | ... | ... | 554 | o |
| Laurel Mountain | Borough | Westmoreland | 195 | 185 | 167 | o |
| Laurel Run | Borough | Luzerne | 599 | 723 | 500 | o |
| Laureldale | Borough | Berks | 3,753 | 3,746 | 3,911 | o |
| Laurelton | Census-Designated Place | Union | ... | ... | 221 | o |
| Laurys Station | Census-Designated Place | Lehigh | ... | ... | 1,243 | o |
| Lavelle | Census-Designated Place | Schuylkill | ... | ... | 742 | o |
| Lawnton | Census-Designated Place | Dauphin | 3,221 | 3,787 | 3,813 | o |
| Lawrence | Census-Designated Place | Washington | ... | ... | 540 | o |
| Lawrence Park | Census-Designated Place | Erie | 4,310 | 4,048 | 3,982 | o |
| Lawrenceville | Borough | Tioga | 481 | 627 | 581 | o |
| Lawson Heights | Census-Designated Place | Westmoreland | 2,464 | 2,339 | 2,194 | o |
| Le Raysville | Borough | Bradford | 336 | 318 | 290 | o |
| Lebanon | City | Lebanon | 25,031 | 24,477 | 25,477 | o |
| Lebanon South | Census-Designated Place | Lebanon | 1,764 | 2,145 | 2,270 | o |
| Leechburg | Borough | Armstrong | 2,512 | 2,386 | 2,156 | o |
| Leeper | Census-Designated Place | Clarion | ... | ... | 158 | o |
| Leesport | Borough | Berks | 1,838 | 1,805 | 1,918 | o |
| Leetsdale | Borough | Allegheny | 1,382 | 1,232 | 1,218 | o |
| Lehighton | Borough | Carbon | 6,001 | 5,537 | 5,500 | o |
| Leith-Hatfield | Census-Designated Place | Fayette | 2,437 | 2,820 | 2,546 | o |
| Lemont | Census-Designated Place | Centre | ... | 2,116 | 2,270 | o |
| Lemont Furnace | Census-Designated Place | Fayette | ... | ... | 827 | o |
| Lemoyne | Borough | Cumberland | 4,026 | 3,995 | 4,553 | o |
| Lenape Heights | Census-Designated Place | Armstrong | ... | 1,212 | 1,167 | o |
| Lenhartsville | Borough | Berks | 195 | 173 | 165 | o |
| Lenkerville | Census-Designated Place | Dauphin | ... | ... | 550 | o |
| Leola | Census-Designated Place | Lancaster | 5,685 | 6,625 | 7,214 | o |
| Level Green | Census-Designated Place | Westmoreland | ... | ... | 4,020 | o |
| Levittown | Census-Designated Place | Bucks | 55,362 | 53,966 | 52,983 | o |
| Lewis Run | Borough | McKean | 576 | 577 | 617 | o |
| Lewisberry | Borough | York | 296 | 384 | 362 | o |
| Lewisburg | Borough | Union | 5,772 | 5,632 | 5,792 | o |
| Lewistown | Borough | Mifflin | 9,837 | 8,998 | 8,338 | o |
| Liberty | Borough | Allegheny | 2,816 | 2,660 | 2,551 | o |
| Liberty | Borough | Tioga | 199 | 230 | 249 | o |
| Lightstreet | Census-Designated Place | Columbia | ... | ... | 1,093 | o |
| Ligonier | Borough | Westmoreland | 1,694 | 1,695 | 1,573 | o |
| Lilly | Borough | Cambria | 1,261 | 948 | 968 | o |
| Lima | Census-Designated Place | Delaware | 2,670 | 3,225 | 2,735 | o |
| Lime Ridge | Census-Designated Place | Columbia | 1,051 | 951 | 890 | o |
| Lincoln | Borough | Allegheny | ... | 1,174 | 1,072 | o |
| Lincoln Park | Census-Designated Place | Berks | ... | ... | 1,615 | o |
| Lincoln University | Census-Designated Place | Chester | ... | ... | 1,726 | o |
| Lincolnville | Census-Designated Place | Crawford | ... | ... | 96 | o |
| Linesville | Borough | Crawford | 1,166 | 1,155 | 1,040 | o |
| Linglestown | Census-Designated Place | Dauphin | 5,862 | 6,414 | 6,334 | o |
| Linntown | Census-Designated Place | Union | 1,640 | 1,542 | 1,489 | o |
| Linwood | Census-Designated Place | Delaware | 3,425 | 3,374 | 3,281 | o |
| Lionville | Census-Designated Place | Chester | 6,468 | 6,298 | 6,189 | o |
| Lititz | Borough | Lancaster | 8,309 | 9,029 | 9,369 | o |
| Little Britain | Census-Designated Place | Lancaster | ... | ... | 372 | o |
| Little Meadows | Borough | Susquehanna | 326 | 290 | 273 | o |
| Littlestown | Borough | Adams | 2,915 | 3,947 | 4,434 | o |
| Liverpool | Borough | Perry | 934 | 876 | 955 | o |
| Lock Haven | City | Clinton | 9,244 | 9,149 | 9,772 | o |
| Locustdale | Census-Designated Place | Columbia | ... | ... | 177 | o |
| Loganton | Borough | Clinton | 443 | 435 | 468 | o |
| Loganville | Borough | York | 946 | 911 | 1,240 | o |
| Long Branch | Borough | Washington | 451 | 539 | 447 | o |
| Longfellow | Census-Designated Place | Mifflin | ... | ... | 215 | o |
| Lorain | Borough | Cambria | 808 | 747 | 759 | o |
| Lorane | Census-Designated Place | Berks | ... | ... | 4,236 | o |
| Loretto | Borough | Cambria | 1,137 | 1,190 | 1,302 | o |
| Lower Allen | Census-Designated Place | Cumberland | ... | ... | 6,694 | o |
| Lower Burrell | City | Westmoreland | 12,245 | 12,609 | 11,761 | o |
| Loyalhanna | Census-Designated Place | Westmoreland | 3,708 | 3,415 | 3,428 | o |
| Lucerne Mines | Census-Designated Place | Indiana | 1,074 | 951 | 937 | o |
| Lumber City | Borough | Clearfield | 83 | 86 | 76 | o |
| Lumber City | Census-Designated Place | Mifflin | ... | ... | 255 | o |
| Luzerne | Borough | Luzerne | 3,225 | 2,952 | 2,845 | o |
| Lykens | Borough | Dauphin | 1,986 | 1,937 | 1,779 | o |
| Lynnwood-Pricedale | Census-Designated Place | 2,664 | 2,168 | 2,031 | o | |
| Lyons | Borough | Berks | 499 | 504 | 478 | o |
| Macungie | Borough | Lehigh | 2,597 | 3,039 | 3,074 | o |
| Madison | Borough | Westmoreland | 550 | 510 | 397 | o |
| Madisonburg | Census-Designated Place | Centre | ... | ... | 168 | o |
| Mahaffey | Borough | Clearfield | 341 | 402 | 368 | o |
| Mahanoy City | Borough | Schuylkill | 5,263 | 4,647 | 4,162 | o |
| Mainville | Census-Designated Place | Columbia | ... | ... | 132 | o |
| Maitland | Census-Designated Place | Mifflin | ... | ... | 357 | o |
| Malvern | Borough | Chester | 2,979 | 3,059 | 2,998 | o |
| Mammoth | Census-Designated Place | Westmoreland | ... | ... | 525 | o |
| Manchester | Borough | York | 1,735 | 2,348 | 2,763 | o |
| Manheim | Borough | Lancaster | 5,010 | 4,784 | 4,858 | o |
| Manns Choice | Borough | Bedford | 249 | 291 | 300 | o |
| Manor | Borough | Westmoreland | 2,639 | 2,717 | 3,239 | o |
| Manorville | Borough | Armstrong | 417 | 401 | 410 | o |
| Mansfield | Borough | Tioga | 3,544 | 3,411 | 3,625 | o |
| Maple Glen | Census-Designated Place | Montgomery | 5,881 | 7,042 | 6,742 | o |
| Mapleton | Borough | Huntingdon | 529 | 470 | 441 | o |
| Mapletown | Census-Designated Place | Greene | ... | ... | 130 | o |
| Marcus Hook | Borough | Delaware | 2,500 | 2,314 | 2,397 | o |
| Marianna | Borough | Washington | 615 | 626 | 494 | o |
| Marianne | Census-Designated Place | Clarion | ... | ... | 1,167 | o |
| Marienville | Census-Designated Place | Forest | ... | ... | 3,137 | o |
| Marietta | Borough | Lancaster | 2,755 | 2,689 | 2,588 | o |
| Marion | Census-Designated Place | Franklin | ... | ... | 953 | o |
| Marion Center | Borough | Indiana | 476 | 451 | 451 | o |
| Marion Heights | Borough | Northumberland | 837 | 735 | 611 | o |
| Marklesburg | Borough | Huntingdon | 163 | 216 | 204 | o |
| Markleysburg | Borough | Fayette | 320 | 282 | 284 | o |
| Marlin | Census-Designated Place | Schuylkill | ... | 640 | 661 | o |
| Mars | Borough | Butler | 1,735 | 1,746 | 1,699 | o |
| Marshallton | Census-Designated Place | Northumberland | 1,482 | 1,437 | 1,441 | o |
| Martins Creek | Census-Designated Place | Northampton | ... | ... | 631 | o |
| Martinsburg | Borough | Blair | 2,184 | 2,236 | 1,958 | o |
| Marysville | Borough | Perry | 2,430 | 2,306 | 2,534 | o |
| Masontown | Borough | Fayette | 3,766 | 3,611 | 3,450 | o |
| Masthope | Census-Designated Place | Pike | ... | ... | 685 | o |
| Matamoras | Borough | Pike | 1,952 | 2,312 | 2,469 | o |
| Mather | Census-Designated Place | Greene | ... | ... | 737 | o |
| Mattawana | Census-Designated Place | Mifflin | ... | ... | 276 | o |
| Mayfield | Borough | Lackawanna | 1,859 | 1,756 | 1,807 | o |
| Maytown | Census-Designated Place | Lancaster | 1,720 | 2,604 | 3,824 | o |
| McAdoo | Borough | Schuylkill | 2,463 | 2,274 | 2,300 | o |
| McAlisterville | Census-Designated Place | Juniata | ... | ... | 971 | o |
| McClure | Borough | Snyder | 1,070 | 975 | 941 | o |
| McConnellsburg | Borough | Fulton | 1,254 | 1,073 | 1,220 | o |
| McConnellstown | Census-Designated Place | Huntingdon | ... | ... | 1,194 | o |
| McDonald | Borough | 2,276 | 2,281 | 2,149 | o | |
| McElhattan | Census-Designated Place | Clinton | ... | ... | 598 | o |
| McEwensville | Borough | Northumberland | 276 | 314 | 279 | o |
| McGovern | Census-Designated Place | Washington | 2,504 | 2,538 | 2,742 | o |
| McKean | Borough | Erie | 419 | 389 | 388 | o |
| McKeansburg | Census-Designated Place | Schuylkill | ... | 155 | 163 | o |
| McKees Rocks | Borough | Allegheny | 7,860 | 6,672 | 6,104 | o |
| McKeesport | City | Allegheny | 26,000 | 23,961 | 19,731 | o |
| McKnightstown | Census-Designated Place | Adams | ... | ... | 226 | o |
| McMurray | Census-Designated Place | Washington | 4,082 | 4,726 | 4,647 | o |
| McSherrystown | Borough | Adams | 2,781 | 2,685 | 3,038 | o |
| McVeytown | Borough | Mifflin | 404 | 405 | 342 | o |
| Meadowlands | Census-Designated Place | Washington | ... | ... | 822 | o |
| Meadowood | Census-Designated Place | Butler | 3,011 | 2,912 | 2,693 | o |
| Meadville | City | Crawford | 14,365 | 13,688 | 13,388 | o |
| Mechanicsburg | Borough | Cumberland | 9,447 | 9,038 | 8,981 | o |
| Mechanicsville | Borough | Schuylkill | ... | 537 | 457 | o |
| Media | Borough | Delaware | 6,010 | 5,533 | 5,327 | o |
| Mercer | Borough | Mercer | 2,446 | 2,391 | 2,002 | o |
| Mercersburg | Borough | Franklin | 1,635 | 1,540 | 1,561 | o |
| Meridian | Census-Designated Place | Butler | 3,473 | 3,794 | 3,881 | o |
| Mertztown | Census-Designated Place | Berks | ... | ... | 664 | o |
| Meshoppen | Borough | Wyoming | 439 | 459 | 563 | o |
| Messiah College | Census-Designated Place | Cumberland | ... | ... | 2,215 | o |
| Mexico | Census-Designated Place | Juniata | ... | ... | 472 | o |
| Meyersdale | Borough | Somerset | 2,602 | 2,473 | 2,184 | o |
| Middleburg | Borough | Snyder | 1,552 | 1,382 | 1,309 | o |
| Middleport | Borough | Schuylkill | 520 | 458 | 405 | o |
| Middletown | Borough | Dauphin | 9,112 | 9,114 | 8,901 | o |
| Middletown | Census-Designated Place | Northampton | 6,866 | 7,378 | 7,441 | o |
| Midland | Borough | Beaver | 3,317 | 3,137 | 2,635 | o |
| Midway | Census-Designated Place | Adams | 2,254 | 2,323 | 2,125 | o |
| Midway | Borough | Washington | 1,055 | 982 | 913 | o |
| Mifflin | Borough | Juniata | 662 | 627 | 642 | o |
| Mifflinburg | Borough | Union | 3,619 | 3,595 | 3,540 | o |
| Mifflintown | Borough | Juniata | 884 | 861 | 936 | o |
| Mifflinville | Census-Designated Place | Columbia | 1,329 | 1,213 | 1,253 | o |
| Milesburg | Borough | Centre | 1,147 | 1,156 | 1,123 | o |
| Milford | Borough | Pike | 1,079 | 1,104 | 1,021 | o |
| Milford Square | Census-Designated Place | Bucks | ... | ... | 897 | o |
| Mill Creek | Borough | Huntingdon | 392 | 351 | 328 | o |
| Mill Hall | Borough | Clinton | 1,926 | 1,568 | 1,613 | o |
| Mill Village | Borough | Erie | 427 | 412 | 412 | o |
| Millbourne | Borough | Delaware | 859 | 943 | 1,159 | o |
| Millersburg | Borough | Dauphin | 2,843 | 2,562 | 2,557 | o |
| Millerstown | Borough | Perry | 646 | 679 | 673 | o |
| Millersville | Borough | Lancaster | 8,079 | 7,768 | 8,168 | o |
| Millerton | Census-Designated Place | Tioga | ... | ... | 316 | o |
| Millheim | Borough | Centre | 847 | 759 | 904 | o |
| Millsboro | Census-Designated Place | Washington | ... | ... | 666 | o |
| Millvale | Borough | Allegheny | 4,441 | 4,031 | 3,744 | o |
| Millville | Borough | Columbia | 969 | 984 | 948 | o |
| Millwood | Census-Designated Place | Westmoreland | ... | ... | 566 | o |
| Milroy | Census-Designated Place | Mifflin | ... | ... | 1,498 | o |
| Milton | Borough | Northumberland | 7,267 | 6,624 | 7,042 | o |
| Minersville | Borough | Schuylkill | 4,963 | 4,552 | 4,397 | o |
| Mingoville | Census-Designated Place | Centre | ... | ... | 503 | o |
| Mocanaqua | Census-Designated Place | Luzerne | ... | ... | 646 | o |
| Modena | Borough | Chester | 584 | 610 | 535 | o |
| Mohnton | Borough | Berks | 2,520 | 2,966 | 3,043 | o |
| Mohrsville | Census-Designated Place | Berks | ... | ... | 383 | o |
| Monaca | Borough | Beaver | 6,741 | 6,286 | 5,737 | o |
| Monessen | City | Westmoreland | 9,811 | 8,669 | 7,720 | o |
| Monongahela | City | Washington | 4,939 | 4,761 | 4,300 | o |
| Monroe | Borough | Bradford | 532 | 513 | 554 | o |
| Monroeville | Municipality | Allegheny | 29,152 | 29,325 | 28,386 | o |
| Mont Alto | Borough | Franklin | ... | 1,738 | 1,705 | o |
| Montandon | Census-Designated Place | Northumberland | ... | ... | 903 | o |
| Montgomery | Borough | Lycoming | 1,634 | 1,695 | 1,579 | o |
| Montgomeryville | Census-Designated Place | Montgomery | 9,114 | 12,031 | 12,624 | o |
| Montoursville | Borough | Lycoming | 4,992 | 4,777 | 4,615 | o |
| Montrose | Borough | Susquehanna | 2,077 | 1,664 | 1,617 | o |
| Montrose Manor | Census-Designated Place | Berks | ... | ... | 604 | o |
| Monument | Census-Designated Place | Centre | ... | ... | 150 | o |
| Moosic | Borough | Lackawanna | 5,444 | 5,575 | 5,719 | o |
| Morgantown | Census-Designated Place | Berks | ... | ... | 826 | o |
| Morrisdale | Census-Designated Place | Clearfield | ... | ... | 754 | o |
| Morrisville | Borough | Bucks | 10,223 | 10,029 | 8,728 | o |
| Morrisville | Census-Designated Place | Greene | 1,365 | 1,443 | 1,265 | o |
| Morton | Borough | Delaware | 2,730 | 2,715 | 2,669 | o |
| Moscow | Borough | Lackawanna | 1,529 | 1,883 | 2,026 | o |
| Moshannon | Census-Designated Place | Centre | ... | ... | 281 | o |
| Mount Aetna | Census-Designated Place | Berks | ... | ... | 354 | o |
| Mount Carbon | Borough | Schuylkill | 113 | 87 | 91 | o |
| Mount Carmel | Borough | Northumberland | 7,254 | 6,390 | 5,893 | o |
| Mount Cobb | Census-Designated Place | Lackawanna | ... | ... | 1,799 | o |
| Mount Eagle | Census-Designated Place | Centre | ... | ... | 103 | o |
| Mount Gretna | Borough | Lebanon | 303 | 242 | 196 | o |
| Mount Gretna Heights | Census-Designated Place | Lebanon | ... | 360 | 323 | o |
| Mount Holly Springs | Borough | Cumberland | 1,932 | 1,925 | 2,030 | o |
| Mount Jewett | Borough | McKean | 1,029 | 1,070 | 919 | o |
| Mount Joy | Borough | Lancaster | 6,589 | 6,763 | 7,410 | o |
| Mount Lebanon Township | Census-Designated Place | Allegheny | 33,362 | 33,017 | 33,137 | o |
| Mount Morris | Census-Designated Place | Greene | ... | ... | 737 | o |
| Mount Oliver | Borough | Allegheny | 4,149 | 3,970 | 3,403 | o |
| Mount Penn | Borough | Berks | 2,871 | 3,022 | 3,106 | o |
| Mount Pleasant | Borough | Westmoreland | 4,720 | 4,728 | 4,454 | o |
| Mount Pleasant Mills | Census-Designated Place | Snyder | ... | ... | 464 | o |
| Mount Pocono | Borough | Monroe | 1,799 | 2,742 | 3,170 | o |
| Mount Union | Borough | Huntingdon | 2,878 | 2,509 | 2,447 | o |
| Mount Wolf | Borough | York | 1,502 | 1,373 | 1,393 | o |
| Mountain Top | Census-Designated Place | Luzerne | ... | ... | 10,982 | o |
| Mountainhome | Census-Designated Place | Monroe | 1,042 | 1,169 | 1,182 | o |
| Mountville | Borough | Lancaster | 1,939 | 2,444 | 2,802 | o |
| Muhlenberg Park | Census-Designated Place | Berks | ... | ... | 1,420 | o |
| Muir | Census-Designated Place | Schuylkill | ... | ... | 451 | o |
| Muncy | Borough | Lycoming | 2,767 | 2,660 | 2,477 | o |
| Mundys Corner | Census-Designated Place | Cambria | ... | ... | 1,651 | o |
| Munhall | Borough | Allegheny | 13,184 | 12,156 | 11,406 | o |
| Murrysville | Municipality | Westmoreland | 17,287 | 18,809 | 20,079 | o |
| Muse | Census-Designated Place | Washington | ... | ... | 2,504 | o |
| Myerstown | Borough | Lebanon | 3,279 | 3,171 | 3,062 | o |
| Nanticoke | City | Luzerne | 12,732 | 10,955 | 10,465 | o |
| Nanty-Glo | Borough | Cambria | 3,300 | 3,054 | 2,734 | o |
| Naomi | Census-Designated Place | Fayette | ... | ... | 69 | o |
| Narberth | Borough | Montgomery | 4,284 | 4,233 | 4,282 | o |
| Nazareth | Borough | Northampton | 5,742 | 6,023 | 5,746 | o |
| Needmore | Census-Designated Place | Fulton | ... | ... | 170 | o |
| Nemacolin | Census-Designated Place | Greene | ... | 1,034 | 937 | o |
| Nescopeck | Borough | Luzerne | 1,654 | 1,528 | 1,583 | o |
| Nesquehoning | Borough | Carbon | 3,360 | 3,288 | 3,349 | o |
| Nether Providence Township | Census-Designated Place | Delaware | 13,229 | 13,456 | 13,706 | o |
| New Albany | Borough | Bradford | 306 | 306 | 356 | o |
| New Alexandria | Borough | Westmoreland | 571 | 595 | 560 | o |
| New Baltimore | Borough | Somerset | 162 | 168 | 180 | o |
| New Beaver | Borough | Lawrence | 1,737 | 1,677 | 1,502 | o |
| New Bedford | Census-Designated Place | Lawrence | ... | ... | 925 | o |
| New Berlin | Borough | Union | 892 | 844 | 873 | o |
| New Berlinville | Census-Designated Place | Berks | ... | ... | 1,368 | o |
| New Bethlehem | Borough | Clarion | 1,155 | 1,048 | 989 | o |
| New Brighton | Borough | Beaver | 6,743 | 6,641 | 6,025 | o |
| New Britain | Borough | Bucks | ... | 2,358 | 3,152 | o |
| New Buffalo | Borough | Perry | 145 | 123 | 129 | o |
| New Castle | City | Lawrence | 28,365 | 26,326 | 23,273 | o |
| New Castle Northwest | Census-Designated Place | Lawrence | 1,515 | 1,535 | 1,413 | o |
| New Centerville | Borough | Somerset | 211 | 193 | 133 | o |
| New Columbia | Census-Designated Place | Union | ... | ... | 1,013 | o |
| New Columbus | Borough | Luzerne | 228 | 215 | 227 | o |
| New Cumberland | Borough | Cumberland | 7,644 | 7,349 | 7,277 | o |
| New Eagle | Borough | Washington | 2,294 | 2,262 | 2,184 | o |
| New Florence | Borough | Westmoreland | 909 | 784 | 689 | o |
| New Freedom | Borough | York | 2,943 | 3,512 | 4,464 | o |
| New Freeport | Census-Designated Place | Greene | ... | ... | 112 | o |
| New Galilee | Borough | Beaver | 626 | 423 | 379 | o |
| New Holland | Borough | Lancaster | 4,340 | 5,092 | 5,378 | o |
| New Hope | Borough | Bucks | 1,456 | 2,252 | 2,528 | o |
| New Jerusalem | Census-Designated Place | Berks | ... | ... | 649 | o |
| New Kensington | City | Westmoreland | 15,967 | 14,700 | 13,116 | o |
| New Kingstown | Census-Designated Place | Cumberland | ... | 539 | 495 | o |
| New Lebanon | Borough | Mercer | 209 | 205 | 188 | o |
| New Market | Census-Designated Place | York | ... | ... | 816 | o |
| New Milford | Borough | Susquehanna | 997 | 878 | 868 | o |
| New Morgan | Borough | Berks | ... | 115 | 71 | o |
| New Oxford | Borough | Adams | 1,635 | 1,696 | 1,783 | o |
| New Paris | Borough | Bedford | 223 | 214 | 186 | o |
| New Philadelphia | Borough | Schuylkill | 1,283 | 1,149 | 1,085 | o |
| New Ringgold | Borough | Schuylkill | 315 | 291 | 276 | o |
| New Salem | Census-Designated Place | Fayette | ... | ... | 579 | o |
| New Salem | Borough | York | 673 | 648 | 724 | o |
| New Schaefferstown | Census-Designated Place | Berks | ... | ... | 223 | o |
| New Stanton | Borough | Westmoreland | 2,077 | 1,906 | 2,173 | o |
| New Tripoli | Census-Designated Place | Lehigh | ... | ... | 898 | o |
| New Washington | Borough | Clearfield | 78 | 89 | 59 | o |
| New Wilmington | Borough | Lawrence | 2,706 | 2,452 | 2,466 | o |
| Newburg | Borough | Clearfield | 117 | 81 | 92 | o |
| Newburg | Borough | Cumberland | 312 | 372 | 336 | o |
| Newell | Borough | Fayette | 518 | 551 | 541 | o |
| Newmanstown | Census-Designated Place | Lebanon | 1,410 | 1,536 | 2,478 | o |
| Newport | Borough | Perry | 1,635 | 1,506 | 1,574 | o |
| Newry | Borough | Blair | 288 | 245 | 270 | o |
| Newton Hamilton | Borough | Mifflin | 287 | 272 | 205 | o |
| Newtown | Borough | Bucks | 2,609 | 2,312 | 2,248 | o |
| Newtown | Census-Designated Place | Schuylkill | ... | 244 | 243 | o |
| Newtown Grant | Census-Designated Place | Bucks | 2,141 | 3,887 | 3,620 | o |
| Newville | Borough | Cumberland | 1,352 | 1,370 | 1,326 | o |
| Nicholson | Borough | Wyoming | 857 | 713 | 767 | o |
| Nittany | Census-Designated Place | Centre | ... | ... | 658 | o |
| Nixon | Census-Designated Place | Butler | 1,342 | 1,404 | 1,373 | o |
| Noblestown | Census-Designated Place | Allegheny | ... | ... | 575 | o |
| Norristown | Borough | Montgomery | 30,496 | 31,331 | 34,324 | o |
| North Apollo | Borough | Armstrong | 1,392 | 1,426 | 1,297 | o |
| North Belle Vernon | Borough | Westmoreland | 2,121 | 2,107 | 1,971 | o |
| North Braddock | Borough | Allegheny | 7,083 | 6,285 | 4,857 | o |
| North Catasauqua | Borough | Northampton | 2,867 | 2,814 | 2,849 | o |
| North Charleroi | Borough | Washington | 1,495 | 1,409 | 1,313 | o |
| North East | Borough | Erie | 4,613 | 4,560 | 4,294 | o |
| North Irwin | Borough | Westmoreland | 1,021 | 879 | 846 | o |
| North Philipsburg | Census-Designated Place | Centre | ... | 697 | 660 | o |
| North Vandergrift | Census-Designated Place | Armstrong | ... | ... | 447 | o |
| North Versailles Township | Census-Designated Place | Allegheny | 12,302 | 11,125 | 10,229 | o |
| North Wales | Borough | Montgomery | 3,803 | 3,342 | 3,229 | o |
| North Warren | Census-Designated Place | Warren | ... | ... | 1,934 | o |
| North York | Borough | York | ... | 1,795 | 1,914 | o |
| Northampton | Borough | Northampton | 8,743 | 9,405 | 9,926 | o |
| Northern Cambria | Borough | Cambria | ... | 4,202 | 3,835 | o |
| Northumberland | Borough | Northumberland | 3,945 | 3,714 | 3,804 | o |
| Northwest Harborcreek | Census-Designated Place | Erie | ... | 8,658 | 8,949 | o |
| Northwood | Census-Designated Place | Blair | ... | ... | 296 | o |
| Norvelt | Census-Designated Place | Westmoreland | ... | ... | 948 | o |
| Norwood | Borough | Delaware | 6,166 | 5,985 | 5,890 | o |
| Noxen | Census-Designated Place | Wyoming | ... | ... | 633 | o |
| Nuangola | Borough | Luzerne | 675 | 671 | 679 | o |
| Numidia | Census-Designated Place | Columbia | ... | 254 | 244 | o |
| Nuremberg | Census-Designated Place | Schuylkill | ... | ... | 434 | o |
| O'Hara Township | Census-Designated Place | Allegheny | 9,096 | 8,856 | 8,407 | o |
| Oak Hills | Census-Designated Place | Butler | 2,245 | 2,335 | 2,333 | o |
| Oakdale | Borough | Allegheny | 1,744 | 1,543 | 1,459 | o |
| Oakland | Census-Designated Place | Cambria | ... | ... | 1,578 | o |
| Oakland | Census-Designated Place | Lawrence | 1,766 | 1,516 | 1,569 | o |
| Oakland | Borough | Susquehanna | 771 | 622 | 616 | o |
| Oakmont | Borough | Allegheny | 6,956 | 6,911 | 6,303 | o |
| Oakwood | Census-Designated Place | Lawrence | 2,541 | 2,249 | 2,270 | o |
| Oberlin | Census-Designated Place | Dauphin | ... | ... | 588 | o |
| Ohiopyle | Borough | Fayette | 81 | 79 | 59 | o |
| Ohioville | Borough | Beaver | 3,841 | 3,759 | 3,533 | o |
| Oil City | City | Venango | 12,041 | 11,504 | 10,557 | o |
| Oklahoma | Census-Designated Place | Clearfield | ... | ... | 782 | o |
| Oklahoma | Borough | Westmoreland | 959 | 915 | 809 | o |
| Old Forge | Borough | Lackawanna | 8,884 | 8,798 | 8,313 | o |
| Old Orchard | Census-Designated Place | Northampton | ... | ... | 2,434 | o |
| Oley | Census-Designated Place | Berks | ... | ... | 1,282 | o |
| Oliver | Census-Designated Place | Fayette | 3,271 | 2,925 | 2,535 | o |
| Olyphant | Borough | Lackawanna | 5,242 | 4,995 | 5,151 | o |
| Oneida | Census-Designated Place | Schuylkill | ... | 219 | 200 | o |
| Orangeville | Borough | Columbia | 504 | 498 | 508 | o |
| Orbisonia | Borough | Huntingdon | 447 | 425 | 428 | o |
| Orchard Hills | Census-Designated Place | Armstrong | ... | 2,152 | 1,952 | o |
| Oreland | Census-Designated Place | Montgomery | 5,695 | 5,509 | 5,678 | o |
| Orrstown | Borough | Franklin | 221 | 231 | 262 | o |
| Orrtanna | Census-Designated Place | Adams | ... | ... | 173 | o |
| Orviston | Census-Designated Place | Centre | ... | ... | 95 | o |
| Orwigsburg | Borough | Schuylkill | 2,865 | 3,106 | 3,099 | o |
| Orwin | Census-Designated Place | Schuylkill | ... | ... | 314 | o |
| Osceola Mills | Borough | Clearfield | 1,356 | 1,249 | 1,141 | o |
| Oswayo | Borough | Potter | 156 | 159 | 139 | o |
| Oval | Census-Designated Place | Lycoming | ... | ... | 361 | o |
| Oxford | Borough | Chester | 3,791 | 4,315 | 5,077 | o |
| Paint | Borough | Somerset | ... | 1,019 | 1,023 | o |
| Palmdale | Census-Designated Place | Dauphin | ... | ... | 1,308 | o |
| Palmer Heights | Census-Designated Place | Northampton | 3,960 | 3,612 | 3,762 | o |
| Palmerton | Borough | Carbon | 5,402 | 5,248 | 5,414 | o |
| Palmyra | Borough | Lebanon | 6,952 | 7,096 | 7,320 | o |
| Palo Alto | Borough | Schuylkill | ... | 1,137 | 1,032 | o |
| Paoli | Census-Designated Place | Chester | 5,603 | 5,425 | 5,575 | o |
| Paradise | Census-Designated Place | Lancaster | 1,043 | 1,028 | 1,129 | o |
| Pardeesville | Census-Designated Place | Luzerne | ... | ... | 572 | o |
| Paris | Census-Designated Place | Washington | ... | ... | 732 | o |
| Park Crest | Census-Designated Place | Schuylkill | ... | ... | 542 | o |
| Park Forest Village | Census-Designated Place | Centre | 6,703 | 8,830 | 9,660 | o |
| Parker | City | Armstrong | 853 | 799 | 840 | o |
| Parkesburg | Borough | Chester | 3,012 | 3,373 | 3,593 | o |
| Parkside | Borough | Delaware | 2,371 | 2,267 | 2,328 | o |
| Parkville | Census-Designated Place | York | 6,014 | 6,593 | 6,706 | o |
| Parryville | Borough | Carbon | 496 | 478 | 525 | o |
| Patterson Heights | Borough | Beaver | 637 | 670 | 636 | o |
| Patterson Township | Census-Designated Place | Beaver | 3,074 | 3,197 | 3,029 | o |
| Patton | Borough | Cambria | 2,167 | 2,023 | 1,769 | o |
| Paxtang | Borough | Dauphin | 1,602 | 1,570 | 1,561 | o |
| Paxtonia | Census-Designated Place | Dauphin | 4,862 | 5,254 | 5,412 | o |
| Paxtonville | Census-Designated Place | Snyder | ... | ... | 265 | o |
| Pen Argyl | Borough | Northampton | 3,569 | 3,615 | 3,595 | o |
| Pen Mar | Census-Designated Place | Franklin | ... | ... | 929 | o |
| Penbrook | Borough | Dauphin | 2,826 | 3,044 | 3,008 | o |
| Penn | Borough | Westmoreland | 503 | 460 | 475 | o |
| Penn Estates | Census-Designated Place | Monroe | ... | ... | 4,493 | o |
| Penn Hills Township | Census-Designated Place | Allegheny | 51,430 | 46,809 | 42,329 | o |
| Penn Lake Park | Borough | Luzerne | 242 | 270 | 308 | o |
| Penn State Erie (Behrend) | Census-Designated Place | Erie | ... | ... | 1,629 | o |
| Penn Wynne | Census-Designated Place | Montgomery | 5,807 | 5,382 | 5,697 | o |
| Penndel | Borough | Bucks | 2,727 | 2,420 | 2,328 | o |
| Penns Creek | Census-Designated Place | Snyder | ... | ... | 715 | o |
| Pennsburg | Borough | Montgomery | 2,449 | 2,732 | 3,843 | o |
| Pennsbury Village | Borough | Allegheny | 774 | 738 | 661 | o |
| Pennside | Census-Designated Place | Berks | ... | ... | 4,215 | o |
| Pennville | Census-Designated Place | York | 1,559 | 1,964 | 1,947 | o |
| Pennwyn | Census-Designated Place | Berks | ... | ... | 780 | o |
| Penryn | Census-Designated Place | Lancaster | ... | ... | 1,024 | o |
| Perkasie | Borough | Bucks | 8,031 | 8,828 | 8,511 | o |
| Perryopolis | Borough | Fayette | 1,833 | 1,764 | 1,784 | o |
| Petersburg | Borough | Huntingdon | 469 | 455 | 480 | o |
| Petrolia | Borough | Butler | 307 | 218 | 212 | o |
| Philadelphia | City | Philadelphia | 1,585,577 | 1,517,542 | 1,526,006 | o |
| Philipsburg | Borough | Centre | 3,043 | 3,074 | 2,770 | o |
| Phoenixville | Borough | Chester | 15,152 | 14,788 | 16,440 | o |
| Picture Rocks | Borough | Lycoming | 656 | 698 | 678 | o |
| Pikes Creek | Census-Designated Place | Luzerne | ... | ... | 269 | o |
| Pillow | Borough | Dauphin | 348 | 304 | 298 | o |
| Pine Glen | Census-Designated Place | Centre | ... | ... | 190 | o |
| Pine Grove | Borough | Schuylkill | 2,121 | 2,155 | 2,186 | o |
| Pine Grove Mills | Census-Designated Place | Centre | ... | ... | 1,502 | o |
| Pine Ridge | Census-Designated Place | Pike | ... | ... | 2,707 | o |
| Pitcairn | Borough | Allegheny | 4,086 | 3,667 | 3,294 | o |
| Pittsburgh | City | Allegheny | 370,139 | 334,438 | 305,704 | o |
| Pittston | City | Luzerne | 9,911 | 8,107 | 7,739 | o |
| Plainfield | Census-Designated Place | Cumberland | ... | 376 | 399 | o |
| Plains | Census-Designated Place | Luzerne | ... | ... | 4,335 | o |
| Platea | Borough | Erie | 466 | 474 | 430 | o |
| Pleasant Gap | Census-Designated Place | Centre | 1,699 | 1,611 | 2,879 | o |
| Pleasant Hill | Census-Designated Place | Lebanon | 1,659 | 2,301 | 2,643 | o |
| Pleasant Hills | Borough | Allegheny | 8,731 | 8,650 | 8,268 | o |
| Pleasant View | Census-Designated Place | Armstrong | ... | ... | 780 | o |
| Pleasantville | Borough | Bedford | 215 | 211 | 198 | o |
| Pleasantville | Borough | Venango | 993 | 847 | 892 | o |
| Plum | Borough | Allegheny | 25,664 | 26,943 | 27,126 | o |
| Plumsteadville | Census-Designated Place | Bucks | ... | ... | 2,637 | o |
| Plumville | Borough | Indiana | 388 | 342 | 307 | o |
| Plymouth | Borough | Luzerne | 7,063 | 6,507 | 5,951 | o |
| Plymouth Meeting | Census-Designated Place | Montgomery | 6,241 | 5,593 | 6,177 | o |
| Plymptonville | Census-Designated Place | Clearfield | 1,074 | 1,040 | 981 | o |
| Pocono Mountain Lake Estates | Census-Designated Place | Pike | ... | ... | 842 | o |
| Pocono Pines | Census-Designated Place | Monroe | 824 | 1,013 | 1,409 | o |
| Pocono Ranch Lands | Census-Designated Place | Pike | ... | ... | 1,062 | o |
| Pocono Springs | Census-Designated Place | Wayne | ... | ... | 926 | o |
| Pocono Woodland Lakes | Census-Designated Place | Pike | ... | ... | 3,209 | o |
| Point Marion | Borough | Fayette | 1,351 | 1,333 | 1,159 | o |
| Polk | Borough | Venango | 1,264 | 1,031 | 816 | o |
| Pomeroy | Census-Designated Place | Chester | ... | ... | 401 | o |
| Port Allegany | Borough | McKean | 2,375 | 2,355 | 2,157 | o |
| Port Carbon | Borough | Schuylkill | ... | 1,913 | 1,889 | o |
| Port Clinton | Borough | Schuylkill | 328 | 292 | 326 | o |
| Port Matilda | Borough | Centre | 669 | 630 | 606 | o |
| Port Royal | Borough | Juniata | 834 | 977 | 925 | o |
| Port Trevorton | Census-Designated Place | Snyder | ... | ... | 769 | o |
| Port Vue | Borough | Allegheny | 4,605 | 4,244 | 3,798 | o |
| Portage | Borough | Cambria | 3,105 | 2,837 | 2,638 | o |
| Portersville | Borough | Butler | 393 | 268 | 235 | o |
| Portland | Borough | Northampton | 516 | 579 | 519 | o |
| Potlicker Flats | Census-Designated Place | Mifflin | ... | ... | 172 | o |
| Pottsgrove | Census-Designated Place | Montgomery | 3,122 | 3,266 | 3,469 | o |
| Pottstown | Borough | Montgomery | 21,597 | 21,879 | 22,377 | o |
| Pottsville | City | Schuylkill | 16,897 | 15,549 | 14,324 | o |
| Pringle | Borough | Luzerne | 1,162 | 991 | 979 | o |
| Progress | Census-Designated Place | Dauphin | 9,654 | 9,647 | 9,765 | o |
| Prompton | Borough | Wayne | 238 | 243 | 250 | o |
| Prospect | Borough | Butler | 1,106 | 1,234 | 1,169 | o |
| Prospect Park | Census-Designated Place | Cameron | ... | ... | 327 | o |
| Prospect Park | Borough | Delaware | 6,764 | 6,594 | 6,454 | o |
| Punxsutawney | Borough | Jefferson | 6,814 | 6,275 | 5,962 | o |
| Pymatuning Central | Census-Designated Place | Crawford | ... | 2,216 | 2,269 | o |
| Pymatuning North | Census-Designated Place | Crawford | ... | 325 | 311 | o |
| Pymatuning South | Census-Designated Place | Crawford | ... | 467 | 479 | o |
| Quakertown | Borough | Bucks | 8,864 | 8,931 | 8,979 | o |
| Quarryville | Borough | Lancaster | 1,649 | 1,994 | 2,576 | o |
| Queens Gate | Census-Designated Place | York | ... | ... | 1,464 | o |
| Quentin | Census-Designated Place | Lebanon | ... | 529 | 594 | o |
| Radnor Township | Census-Designated Place | Delaware | 28,705 | 30,878 | 31,531 | o |
| Railroad | Borough | York | 307 | 300 | 278 | o |
| Rainsburg | Borough | Bedford | 175 | 146 | 133 | o |
| Ramblewood | Census-Designated Place | Centre | ... | ... | 849 | o |
| Ramey | Borough | Clearfield | 536 | 525 | 451 | o |
| Rankin | Borough | Allegheny | 2,472 | 2,318 | 2,122 | o |
| Ranshaw | Census-Designated Place | Northumberland | ... | ... | 510 | o |
| Raubsville | Census-Designated Place | Northampton | ... | ... | 1,088 | o |
| Rauchtown | Census-Designated Place | Clinton | ... | ... | 726 | o |
| Ravine | Census-Designated Place | Schuylkill | ... | 629 | 662 | o |
| Reading | City | Berks | 77,864 | 81,374 | 88,082 | o |
| Reamstown | Census-Designated Place | Lancaster | 2,649 | 3,498 | 3,361 | o |
| Rebersburg | Census-Designated Place | Centre | ... | ... | 494 | o |
| Red Hill | Borough | Montgomery | 1,839 | 2,196 | 2,383 | o |
| Red Lion | Borough | York | 6,528 | 6,157 | 6,373 | o |
| Reedsville | Census-Designated Place | Mifflin | ... | ... | 641 | o |
| Refton | Census-Designated Place | Lancaster | ... | ... | 298 | o |
| Rehrersburg | Census-Designated Place | Berks | ... | ... | 319 | o |
| Reiffton | Census-Designated Place | Berks | ... | ... | 4,178 | o |
| Reinerton | Census-Designated Place | Schuylkill | ... | ... | 424 | o |
| Reinholds | Census-Designated Place | Lancaster | ... | ... | 1,803 | o |
| Rennerdale | Census-Designated Place | Allegheny | ... | ... | 1,150 | o |
| Renningers | Census-Designated Place | Schuylkill | ... | 380 | 574 | o |
| Renovo | Borough | Clinton | 1,472 | 1,318 | 1,228 | o |
| Republic | Census-Designated Place | Fayette | 1,603 | 1,396 | 1,096 | o |
| Reserve Township | Census-Designated Place | Allegheny | 3,866 | 3,856 | 3,333 | o |
| Revloc | Census-Designated Place | Cambria | ... | ... | 570 | o |
| Rew | Census-Designated Place | McKean | ... | ... | 199 | o |
| Reynolds Heights | Census-Designated Place | Mercer | ... | ... | 2,061 | o |
| Reynoldsville | Borough | Jefferson | 2,815 | 2,709 | 2,759 | o |
| Rheems | Census-Designated Place | Lancaster | 1,044 | 1,557 | 1,598 | o |
| Rices Landing | Borough | Greene | 494 | 443 | 463 | o |
| Riceville | Census-Designated Place | Crawford | ... | 82 | 68 | o |
| Richboro | Census-Designated Place | Bucks | 5,332 | 6,678 | 6,563 | o |
| Richfield | Census-Designated Place | Juniata | ... | ... | 549 | o |
| Richland | Borough | Lebanon | 1,457 | 1,508 | 1,519 | o |
| Richlandtown | Borough | Bucks | 1,195 | 1,286 | 1,327 | o |
| Ridgway | Borough | Elk | 4,818 | 4,591 | 4,078 | o |
| Ridley Park | Borough | Delaware | 7,604 | 7,196 | 7,002 | o |
| Riegelsville | Borough | Bucks | 911 | 863 | 868 | o |
| Rimersburg | Borough | Clarion | 1,058 | 1,082 | 951 | o |
| Ringtown | Borough | Schuylkill | 853 | 826 | 818 | o |
| Riverside | Census-Designated Place | Cambria | ... | ... | 381 | o |
| Riverside | Borough | Northumberland | 1,991 | 1,861 | 1,932 | o |
| Riverview Park | Census-Designated Place | Berks | ... | ... | 3,380 | o |
| Roaring Spring | Borough | Blair | 2,629 | 2,422 | 2,585 | o |
| Robesonia | Borough | Berks | 1,990 | 2,036 | 2,061 | o |
| Robinson | Census-Designated Place | Indiana | ... | ... | 614 | o |
| Robinson Township | Census-Designated Place | Allegheny | 10,830 | 12,289 | 13,354 | o |
| Rochester | Borough | Beaver | 4,175 | 4,014 | 3,657 | o |
| Rockhill | Borough | Huntingdon | 421 | 414 | 371 | o |
| Rockledge | Borough | Montgomery | 2,679 | 2,578 | 2,543 | o |
| Rockwood | Borough | Somerset | 1,014 | 954 | 890 | o |
| Rogersville | Census-Designated Place | Greene | ... | ... | 249 | o |
| Rohrsburg | Census-Designated Place | Columbia | ... | 164 | 145 | o |
| Rome | Borough | Bradford | 475 | 382 | 441 | o |
| Ronco | Census-Designated Place | Fayette | ... | ... | 256 | o |
| Ronks | Census-Designated Place | Lancaster | ... | ... | 362 | o |
| Roscoe | Borough | Washington | 874 | 848 | 812 | o |
| Rose Valley | Borough | Delaware | 995 | 944 | 913 | o |
| Roseto | Borough | Northampton | 1,715 | 1,658 | 1,567 | o |
| Roseville | Borough | Tioga | 230 | 207 | 189 | o |
| Rossiter | Census-Designated Place | Indiana | ... | 790 | 646 | o |
| Rosslyn Farms | Borough | Allegheny | 485 | 464 | 427 | o |
| Rote | Census-Designated Place | Clinton | ... | ... | 507 | o |
| Rothsville | Census-Designated Place | Lancaster | 2,097 | 3,017 | 3,044 | o |
| Roulette | Census-Designated Place | Potter | ... | ... | 779 | o |
| Rouseville | Borough | Venango | 586 | 472 | 523 | o |
| Rouzerville | Census-Designated Place | Franklin | ... | 862 | 917 | o |
| Rowes Run | Census-Designated Place | Fayette | ... | ... | 564 | o |
| Royalton | Borough | Dauphin | 1,059 | 963 | 907 | o |
| Royersford | Borough | Montgomery | 4,376 | 4,246 | 4,752 | o |
| Rupert | Census-Designated Place | Columbia | ... | 174 | 183 | o |
| Rural Valley | Borough | Armstrong | 957 | 921 | 876 | o |
| Russell | Census-Designated Place | Warren | ... | ... | 1,408 | o |
| Russellton | Census-Designated Place | Allegheny | 1,691 | 1,530 | 1,440 | o |
| Rutherford | Census-Designated Place | Dauphin | 3,481 | 3,859 | 4,303 | o |
| Rutledge | Borough | Delaware | 843 | 860 | 784 | o |
| S.N.P.J. | Borough | Lawrence | ... | ... | 19 | o |
| Saegertown | Borough | Crawford | 1,066 | 1,071 | 997 | o |
| Salisbury | Borough | Somerset | 718 | 878 | 727 | o |
| Salix | Census-Designated Place | Cambria | ... | ... | 1,149 | o |
| Salladasburg | Borough | Lycoming | 349 | 260 | 238 | o |
| Saltillo | Borough | Huntingdon | 347 | 346 | 346 | o |
| Saltsburg | Borough | Indiana | 991 | 955 | 873 | o |
| Salunga | Census-Designated Place | Lancaster | ... | ... | 2,695 | o |
| Sanatoga | Census-Designated Place | Montgomery | 5,534 | 7,734 | 8,378 | o |
| Sand Hill | Census-Designated Place | Lebanon | 2,307 | 2,345 | 2,496 | o |
| Sandy | Census-Designated Place | Clearfield | 1,795 | 1,687 | 1,429 | o |
| Sandy Lake | Borough | Mercer | 739 | 743 | 659 | o |
| Sandy Ridge | Census-Designated Place | Centre | ... | 340 | 407 | o |
| Sankertown | Borough | Cambria | ... | 718 | 675 | o |
| Saw Creek | Census-Designated Place | Pike | ... | ... | 4,016 | o |
| Saxonburg | Borough | Butler | 1,169 | 1,629 | 1,525 | o |
| Saxton | Borough | Bedford | 849 | 803 | 736 | o |
| Saylorsburg | Census-Designated Place | Monroe | ... | ... | 1,126 | o |
| Sayre | Borough | Bradford | 5,890 | 5,813 | 5,587 | o |
| Scalp Level | Borough | Cambria | ... | 879 | 778 | o |
| Schaefferstown | Census-Designated Place | Lebanon | ... | 984 | 941 | o |
| Schellsburg | Borough | Bedford | 245 | 316 | 338 | o |
| Schlusser | Census-Designated Place | Cumberland | ... | 4,750 | 5,265 | o |
| Schnecksville | Census-Designated Place | Lehigh | ... | ... | 2,935 | o |
| Schoeneck | Census-Designated Place | Lancaster | ... | ... | 1,056 | o |
| Schubert | Census-Designated Place | Berks | ... | ... | 249 | o |
| Schuylkill Haven | Borough | Schuylkill | 5,753 | 5,548 | 5,437 | o |
| Schwenksville | Borough | Montgomery | ... | 1,333 | 1,385 | o |
| Scotland | Census-Designated Place | Franklin | ... | ... | 1,395 | o |
| Scott Township | Census-Designated Place | Allegheny | 17,118 | 17,288 | 17,024 | o |
| Scottdale | Borough | Westmoreland | 5,212 | 4,772 | 4,384 | o |
| Scranton | City | Lackawanna | 81,914 | 76,082 | 76,089 | o |
| Selinsgrove | Borough | Snyder | 5,445 | 5,383 | 5,654 | o |
| Sellersville | Borough | Bucks | 4,479 | 4,564 | 4,249 | o |
| Seltzer | Census-Designated Place | Schuylkill | ... | 307 | 350 | o |
| Seneca | Census-Designated Place | Venango | 1,029 | 966 | 1,065 | o |
| Seven Fields | Borough | Butler | 558 | 1,986 | 2,887 | o |
| Seven Springs | Borough | ... | 110 | 26 | o | |
| Seven Valleys | Borough | York | 473 | 492 | 517 | o |
| Seward | Borough | Westmoreland | 517 | 484 | 495 | o |
| Sewickley | Borough | Allegheny | 4,129 | 3,905 | 3,827 | o |
| Sewickley Heights | Borough | Allegheny | ... | 1,037 | 810 | o |
| Sewickley Hills | Borough | Allegheny | 564 | 648 | 639 | o |
| Shade Gap | Borough | Huntingdon | 113 | 97 | 105 | o |
| Shamokin | City | Northumberland | 9,228 | 8,009 | 7,374 | o |
| Shamokin Dam | Borough | Snyder | 1,717 | 1,500 | 1,686 | o |
| Shanksville | Borough | Somerset | 235 | 245 | 237 | o |
| Shanor-Northvue | Census-Designated Place | Butler | 3,517 | 4,825 | 5,051 | o |
| Sharon | City | Mercer | 17,514 | 16,344 | 14,038 | o |
| Sharon Hill | Borough | Delaware | 5,771 | 5,468 | 5,697 | o |
| Sharpsburg | Borough | Allegheny | 4,098 | 3,628 | 3,446 | o |
| Sharpsville | Borough | Mercer | 4,694 | 4,500 | 4,415 | o |
| Shartlesville | Census-Designated Place | Berks | ... | ... | 455 | o |
| Shavertown | Census-Designated Place | Luzerne | ... | ... | 2,019 | o |
| Sheakleyville | Borough | Mercer | 144 | 164 | 142 | o |
| Sheatown | Census-Designated Place | Luzerne | ... | ... | 671 | o |
| Sheffield | Census-Designated Place | Warren | 1,294 | 1,268 | 1,132 | o |
| Shelocta | Borough | Indiana | 108 | 127 | 130 | o |
| Shenandoah | Borough | Schuylkill | 6,463 | 5,624 | 5,071 | o |
| Shenandoah Heights | Census-Designated Place | Schuylkill | 1,386 | 1,298 | 1,233 | o |
| Sheppton | Census-Designated Place | Schuylkill | ... | 239 | 239 | o |
| Shickshinny | Borough | Luzerne | 1,085 | 961 | 838 | o |
| Shillington | Borough | Berks | 5,308 | 5,067 | 5,273 | o |
| Shiloh | Census-Designated Place | York | 8,245 | 10,192 | 11,218 | o |
| Shinglehouse | Borough | Potter | 1,243 | 1,250 | 1,127 | o |
| Shippensburg | Borough | 5,487 | 5,586 | 5,492 | o | |
| Shippensburg University | Census-Designated Place | Cumberland | ... | ... | 2,625 | o |
| Shippenville | Borough | Clarion | 474 | 503 | 480 | o |
| Shippingport | Borough | Beaver | 250 | 237 | 214 | o |
| Shiremanstown | Borough | Cumberland | 2,044 | 1,521 | 1,569 | o |
| Shirleysburg | Borough | Huntingdon | 140 | 140 | 150 | o |
| Shoemakersville | Borough | Berks | ... | 1,406 | 1,378 | o |
| Shrewsbury | Borough | York | 2,678 | 3,378 | 3,823 | o |
| Sidman | Census-Designated Place | Cambria | ... | ... | 431 | o |
| Sierra View | Census-Designated Place | Monroe | ... | ... | 4,813 | o |
| Siglerville | Census-Designated Place | Mifflin | ... | ... | 106 | o |
| Silkworth | Census-Designated Place | Luzerne | ... | ... | 820 | o |
| Silverdale | Borough | Bucks | 907 | 991 | 871 | o |
| Simpson | Census-Designated Place | Lackawanna | ... | ... | 1,275 | o |
| Sinking Spring | Borough | Berks | 2,476 | 2,656 | 4,008 | o |
| Skippack | Census-Designated Place | Montgomery | 2,042 | 2,889 | 3,758 | o |
| Skyline View | Census-Designated Place | Dauphin | 2,370 | 2,307 | 4,003 | o |
| Slabtown | Census-Designated Place | Columbia | ... | ... | 156 | o |
| Slatedale | Census-Designated Place | Lehigh | ... | ... | 455 | o |
| Slatington | Borough | Lehigh | 4,850 | 4,434 | 4,232 | o |
| Slickville | Census-Designated Place | Westmoreland | ... | ... | 388 | o |
| Sligo | Borough | Clarion | 706 | 730 | 720 | o |
| Slippery Rock | Borough | Butler | 2,975 | 3,065 | 3,625 | o |
| Slippery Rock University | Census-Designated Place | Butler | ... | ... | 1,898 | o |
| Slovan | Census-Designated Place | Washington | ... | ... | 555 | o |
| Smethport | Borough | McKean | 1,740 | 1,684 | 1,655 | o |
| Smicksburg | Borough | Indiana | 76 | 49 | 46 | o |
| Smithfield | Borough | Fayette | 1,000 | 854 | 875 | o |
| Smithton | Borough | Westmoreland | 399 | 444 | 399 | o |
| Smock | Census-Designated Place | Fayette | ... | ... | 583 | o |
| Smoketown | Census-Designated Place | Lancaster | ... | ... | 357 | o |
| Snow Shoe | Borough | Centre | 800 | 760 | 765 | o |
| Snydertown | Borough | Northumberland | 416 | 357 | 339 | o |
| Snydertown | Census-Designated Place | Centre | ... | ... | 483 | o |
| Somerset | Borough | Somerset | 6,501 | 6,762 | 6,277 | o |
| Soudersburg | Census-Designated Place | Lancaster | ... | ... | 540 | o |
| Souderton | Borough | Montgomery | 6,121 | 6,730 | 6,618 | o |
| South Bethlehem | Borough | Armstrong | 485 | 444 | 481 | o |
| South Coatesville | Borough | Chester | 1,214 | 997 | 1,303 | o |
| South Connellsville | Borough | Fayette | 2,200 | 2,281 | 1,970 | o |
| South Fork | Borough | Cambria | 1,202 | 1,138 | 928 | o |
| South Greensburg | Borough | Westmoreland | 2,343 | 2,280 | 2,117 | o |
| South Heights | Borough | Beaver | 606 | 542 | 475 | o |
| South New Castle | Borough | Lawrence | 811 | 808 | 709 | o |
| South Park Township | Census-Designated Place | Allegheny | 14,292 | 14,340 | 13,416 | o |
| South Philipsburg | Census-Designated Place | Centre | 438 | 438 | 410 | o |
| South Pottstown | Census-Designated Place | Chester | ... | 2,135 | 2,081 | o |
| South Renovo | Borough | Clinton | 647 | 557 | 439 | o |
| South Temple | Census-Designated Place | Berks | ... | ... | 1,424 | o |
| South Uniontown | Census-Designated Place | Fayette | ... | ... | 1,360 | o |
| South Waverly | Borough | Bradford | 988 | 987 | 1,027 | o |
| South Williamsport | Borough | Lycoming | 6,329 | 6,412 | 6,379 | o |
| Southmont | Borough | Cambria | 2,405 | 2,262 | 2,284 | o |
| Southview | Census-Designated Place | Washington | ... | ... | 276 | o |
| Southwest Greensburg | Borough | Westmoreland | 2,455 | 2,398 | 2,155 | o |
| Spartansburg | Borough | Crawford | 403 | 333 | 305 | o |
| Speers | Borough | Washington | 1,316 | 1,241 | 1,154 | o |
| Spinnerstown | Census-Designated Place | Bucks | ... | ... | 1,826 | o |
| Spring City | Borough | Chester | 3,480 | 3,306 | 3,323 | o |
| Spring Grove | Borough | York | 1,952 | 2,054 | 2,167 | o |
| Spring Hill | Census-Designated Place | Cambria | 1,014 | 970 | 839 | o |
| Spring House | Census-Designated Place | Montgomery | 2,782 | 3,290 | 3,804 | o |
| Spring Mills | Census-Designated Place | Centre | ... | 289 | 268 | o |
| Spring Mount | Census-Designated Place | Montgomery | 1,365 | 2,205 | 2,259 | o |
| Spring Ridge | Census-Designated Place | Berks | ... | 786 | 1,003 | o |
| Springboro | Borough | Crawford | 471 | 491 | 477 | o |
| Springdale | Borough | Allegheny | 4,027 | 3,832 | 3,405 | o |
| Springfield Township | Census-Designated Place | Delaware | 24,160 | 23,677 | 24,211 | o |
| Springmont | Census-Designated Place | Berks | ... | ... | 724 | o |
| Spry | Census-Designated Place | York | 4,271 | 4,903 | 4,891 | o |
| St. Clair | Borough | Schuylkill | 3,508 | 3,254 | 3,004 | o |
| St. Clairsville | Borough | Bedford | 88 | 86 | 78 | o |
| St. Lawrence | Borough | Berks | 1,635 | 1,812 | 1,809 | o |
| St. Marys | City | Elk | 14,081 | 14,502 | 13,070 | o |
| St. Michael | Census-Designated Place | Cambria | ... | ... | 408 | o |
| St. Petersburg | Borough | Clarion | 349 | 405 | 400 | o |
| St. Vincent College | Census-Designated Place | Westmoreland | ... | ... | 1,357 | o |
| Star Junction | Census-Designated Place | Fayette | ... | ... | 616 | o |
| Starbrick | Census-Designated Place | Warren | ... | ... | 522 | o |
| Starrucca | Borough | Wayne | 210 | 220 | 173 | o |
| State College | Borough | Centre | 38,988 | 38,434 | 42,034 | o |
| State Line | Census-Designated Place | Franklin | ... | ... | 2,709 | o |
| Steelton | Borough | Dauphin | 5,283 | 5,858 | 5,990 | o |
| Stevens | Census-Designated Place | Lancaster | ... | ... | 612 | o |
| Stewartstown | Borough | York | 1,376 | 1,752 | 2,089 | o |
| Stiles | Census-Designated Place | Lehigh | ... | ... | 1,113 | o |
| Stillwater | Borough | Columbia | ... | 205 | 209 | o |
| Stockdale | Borough | Washington | 630 | 555 | 502 | o |
| Stockertown | Borough | Northampton | 627 | 687 | 927 | o |
| Stoneboro | Borough | Mercer | 998 | 1,104 | 1,051 | o |
| Stonerstown | Census-Designated Place | Bedford | ... | ... | 376 | o |
| Stony Creek Mills | Census-Designated Place | Berks | ... | ... | 1,045 | o |
| Stonybrook | Census-Designated Place | York | ... | ... | 2,384 | o |
| Stormstown | Census-Designated Place | Centre | ... | ... | 2,366 | o |
| Stouchsburg | Census-Designated Place | Berks | ... | ... | 600 | o |
| Stowe | Census-Designated Place | Montgomery | ... | 3,585 | 3,695 | o |
| Stowe Township | Census-Designated Place | Allegheny | ... | 6,706 | 6,362 | o |
| Stoystown | Borough | Somerset | 389 | 428 | 355 | o |
| Strasburg | Borough | Lancaster | 2,585 | 2,796 | 2,809 | o |
| Strattanville | Borough | Clarion | ... | 559 | 550 | o |
| Strausstown | Borough | Berks | 353 | 339 | 342 | o |
| Strodes Mills | Census-Designated Place | Mifflin | ... | ... | 757 | o |
| Strong | Census-Designated Place | Northumberland | ... | ... | 147 | o |
| Stroudsburg | Borough | Monroe | 5,238 | 5,759 | 5,567 | o |
| Sturgeon | Census-Designated Place | Allegheny | ... | ... | 1,710 | o |
| Sugar Grove | Borough | Warren | 652 | 613 | 614 | o |
| Sugar Notch | Borough | Luzerne | 1,017 | 1,023 | 989 | o |
| Sugarcreek | Borough | Venango | 5,549 | 5,331 | 5,294 | o |
| Summerhill | Borough | Cambria | 611 | 521 | 490 | o |
| Summerville | Borough | Jefferson | 675 | 525 | 528 | o |
| Summit Hill | Borough | Carbon | 3,345 | 2,974 | 3,034 | o |
| Summit Station | Census-Designated Place | Schuylkill | ... | 208 | 174 | o |
| Sun Valley | Census-Designated Place | Monroe | ... | ... | 2,399 | o |
| Sunbury | City | Northumberland | 11,600 | 10,610 | 9,905 | o |
| Sunrise Lake | Census-Designated Place | Pike | ... | ... | 1,387 | o |
| Susquehanna Depot | Borough | Susquehanna | 1,946 | 1,690 | 1,643 | o |
| Susquehanna Trails | Census-Designated Place | York | 1,419 | 2,134 | 2,264 | o |
| Sutersville | Borough | Westmoreland | 755 | 636 | 605 | o |
| Swarthmore | Borough | Delaware | 6,111 | 6,170 | 6,194 | o |
| Swartzville | Census-Designated Place | Lancaster | ... | ... | 2,283 | o |
| Sweden Valley | Census-Designated Place | Potter | ... | ... | 223 | o |
| Swissvale | Borough | Allegheny | 10,581 | 9,647 | 8,983 | o |
| Swoyersville | Borough | Luzerne | 5,368 | 5,157 | 5,062 | o |
| Sykesville | Borough | Jefferson | 1,401 | 1,242 | 1,157 | o |
| Sylvania | Borough | Bradford | 203 | 200 | 219 | o |
| Table Rock | Census-Designated Place | Adams | ... | ... | 62 | o |
| Tamaqua | Borough | Schuylkill | 8,005 | 7,174 | 7,107 | o |
| Tarentum | Borough | Allegheny | 5,682 | 4,975 | 4,530 | o |
| Tatamy | Borough | Northampton | 873 | 930 | 1,203 | o |
| Taylor | Borough | Lackawanna | 6,991 | 6,475 | 6,263 | o |
| Taylorstown | Census-Designated Place | Washington | ... | ... | 217 | o |
| Telford | Borough | 4,237 | 4,680 | 4,872 | o | |
| Temple | Census-Designated Place | Berks | ... | ... | 1,877 | o |
| Templeton | Census-Designated Place | Armstrong | ... | ... | 325 | o |
| Terre Hill | Borough | Lancaster | 1,282 | 1,237 | 1,295 | o |
| Tharptown (Uniontown) | Census-Designated Place | Northumberland | ... | ... | 498 | o |
| The Hideout | Census-Designated Place | Wayne | ... | ... | 3,013 | o |
| Thompson | Borough | Susquehanna | 291 | 299 | 299 | o |
| Thompsontown | Borough | Juniata | 582 | 717 | 697 | o |
| Thompsonville | Census-Designated Place | Washington | 3,560 | 3,592 | 3,520 | o |
| Thornburg | Borough | Allegheny | 466 | 468 | 455 | o |
| Thorndale | Census-Designated Place | Chester | 3,518 | 3,561 | 3,407 | o |
| Three Springs | Borough | Huntingdon | 422 | 450 | 444 | o |
| Throop | Borough | Lackawanna | 3,953 | 4,008 | 4,088 | o |
| Tidioute | Borough | Warren | 814 | 792 | 688 | o |
| Timber Hills | Census-Designated Place | Lebanon | ... | ... | 360 | o |
| Timblin | Borough | Jefferson | 165 | 151 | 157 | o |
| Tinicum Township | Census-Designated Place | Delaware | 4,440 | 4,353 | 4,091 | o |
| Tioga | Borough | Tioga | 704 | 622 | 666 | o |
| Tionesta | Borough | Forest | 634 | 615 | 483 | o |
| Tipton | Census-Designated Place | Blair | ... | 1,225 | 1,083 | o |
| Titusville | City | Crawford | 6,360 | 6,155 | 5,601 | o |
| Toftrees | Census-Designated Place | Centre | ... | ... | 2,053 | o |
| Topton | Borough | Berks | 2,009 | 1,948 | 2,069 | o |
| Toughkenamon | Census-Designated Place | Chester | 1,273 | 1,375 | 1,492 | o |
| Towamensing Trails | Census-Designated Place | Carbon | ... | ... | 2,292 | o |
| Towanda | Borough | Bradford | 3,519 | 3,025 | 2,919 | o |
| Tower City | Borough | Schuylkill | 1,507 | 1,396 | 1,346 | o |
| Townville | Borough | Crawford | 358 | 306 | 323 | o |
| Trafford | Borough | 3,386 | 3,240 | 3,174 | o | |
| Trainer | Borough | Delaware | 2,230 | 1,901 | 1,828 | o |
| Trappe | Borough | Montgomery | 2,066 | 3,210 | 3,509 | o |
| Treasure Lake | Census-Designated Place | Clearfield | 2,185 | 4,507 | 3,861 | o |
| Tremont | Borough | Schuylkill | 2,156 | 1,784 | 1,752 | o |
| Tresckow | Census-Designated Place | Carbon | 1,033 | 964 | 880 | o |
| Trevorton | Census-Designated Place | Northumberland | 2,058 | 2,010 | 1,834 | o |
| Trevose | Census-Designated Place | Bucks | ... | ... | 3,550 | o |
| Trexlertown | Census-Designated Place | Lehigh | ... | ... | 1,988 | o |
| Trooper | Census-Designated Place | Montgomery | 5,137 | 6,061 | 5,744 | o |
| Troutville | Borough | Clearfield | 226 | 224 | 243 | o |
| Troxelville | Census-Designated Place | Snyder | ... | ... | 221 | o |
| Troy | Borough | Bradford | 1,364 | 1,517 | 1,354 | o |
| Trucksville | Census-Designated Place | Luzerne | ... | ... | 2,152 | o |
| Trumbauersville | Borough | Bucks | 883 | 1,056 | 974 | o |
| Tullytown | Borough | Bucks | 2,338 | 2,031 | 1,872 | o |
| Tunkhannock | Borough | Wyoming | 2,304 | 1,911 | 1,836 | o |
| Tunnelhill | Borough | 384 | 409 | 363 | o | |
| Turbotville | Borough | Northumberland | 676 | 691 | 705 | o |
| Turtle Creek | Borough | Allegheny | 6,488 | 6,040 | 5,349 | o |
| Tuscarora | Census-Designated Place | Schuylkill | ... | 939 | 980 | o |
| Twilight | Borough | Washington | 257 | 241 | 233 | o |
| Tyler Run | Census-Designated Place | York | ... | ... | 1,901 | o |
| Tylersburg | Census-Designated Place | Clarion | ... | ... | 196 | o |
| Tyrone | Borough | Blair | 5,791 | 5,528 | 5,477 | o |
| Ulysses | Borough | Potter | 653 | 684 | 621 | o |
| Union City | Borough | Erie | 3,702 | 3,463 | 3,320 | o |
| Union Dale | Borough | Susquehanna | 303 | 368 | 267 | o |
| Union Deposit | Census-Designated Place | Dauphin | ... | ... | 407 | o |
| Uniontown | City | Fayette | 12,270 | 12,425 | 10,372 | o |
| Unionville | Census-Designated Place | Butler | ... | ... | 962 | o |
| Unionville | Borough | Centre | ... | 301 | 291 | o |
| University of Pittsburgh Johnstown | Census-Designated Place | Cambria | ... | ... | 1,572 | o |
| Upland | Borough | Delaware | 3,347 | 2,977 | 3,239 | o |
| Upper Exeter | Census-Designated Place | Luzerne | ... | ... | 707 | o |
| Upper Providence Township | Census-Designated Place | Delaware | 9,727 | 10,509 | 10,142 | o |
| Upper St. Clair | Census-Designated Place | Allegheny | ... | 20,053 | 19,229 | o |
| Ursina | Borough | Somerset | 327 | 257 | 225 | o |
| Utica | Borough | Venango | 241 | 211 | 189 | o |
| Valencia | Borough | Butler | 396 | 384 | 551 | o |
| Valley Green | Census-Designated Place | York | ... | 3,550 | 3,429 | o |
| Valley View | Census-Designated Place | Schuylkill | ... | ... | 1,683 | o |
| Valley View | Census-Designated Place | York | 2,911 | 2,743 | 2,817 | o |
| Valley-Hi | Borough | Fulton | 19 | 20 | 15 | o |
| Van Voorhis | Census-Designated Place | Washington | ... | ... | 166 | o |
| Vanderbilt | Borough | Fayette | 545 | 553 | 476 | o |
| Vandergrift | Borough | Westmoreland | 5,877 | 5,455 | 5,205 | o |
| Vandling | Borough | Lackawanna | 630 | 738 | 751 | o |
| Venango | Borough | Crawford | 289 | 288 | 239 | o |
| Verona | Borough | Allegheny | ... | 2,905 | 2,474 | o |
| Versailles | Borough | Allegheny | 1,843 | 1,724 | 1,515 | o |
| Vicksburg | Census-Designated Place | Union | ... | ... | 261 | o |
| Village Green-Green Ridge | Census-Designated Place | Delaware | 9,026 | 8,279 | 7,822 | o |
| Village Shires | Census-Designated Place | Bucks | 4,364 | 4,137 | 3,949 | o |
| Vinco | Census-Designated Place | Cambria | 1,586 | 1,429 | 1,305 | o |
| Vintondale | Borough | Cambria | 582 | 528 | 414 | o |
| Virginville | Census-Designated Place | Berks | ... | ... | 309 | o |
| Volant | Borough | Lawrence | 152 | 113 | 168 | o |
| Vowinckel | Census-Designated Place | Clarion | ... | ... | 139 | o |
| Wagner | Census-Designated Place | Mifflin | ... | ... | 128 | o |
| Wakefield | Census-Designated Place | Lancaster | ... | ... | 609 | o |
| Wall | Borough | Allegheny | ... | 703 | 580 | o |
| Wallaceton | Borough | Clearfield | 319 | 350 | 313 | o |
| Wallenpaupack Lake Estates | Census-Designated Place | Wayne | ... | ... | 1,279 | o |
| Waller | Census-Designated Place | Columbia | ... | 55 | 48 | o |
| Walnutport | Borough | Northampton | 2,100 | 2,043 | 2,070 | o |
| Walnuttown | Census-Designated Place | Berks | ... | ... | 484 | o |
| Wampum | Borough | Lawrence | 665 | 678 | 717 | o |
| Wanamie | Census-Designated Place | Luzerne | ... | ... | 612 | o |
| Warminster Heights | Census-Designated Place | Bucks | 4,310 | 4,191 | 4,124 | o |
| Warren | City | Warren | 11,138 | 10,259 | 9,710 | o |
| Warrior Run | Borough | Luzerne | 663 | 624 | 584 | o |
| Washington | City | Washington | 15,921 | 15,205 | 13,663 | o |
| Washington Boro | Census-Designated Place | Lancaster | ... | ... | 729 | o |
| Washingtonville | Borough | Montour | 228 | 201 | 273 | o |
| Waterford | Borough | Erie | 1,522 | 1,449 | 1,517 | o |
| Watsontown | Borough | Northumberland | 2,431 | 2,255 | 2,351 | o |
| Wattsburg | Borough | Erie | 477 | 378 | 403 | o |
| Waverly | Census-Designated Place | Lackawanna | ... | ... | 604 | o |
| Waymart | Borough | Wayne | 1,337 | 1,429 | 1,341 | o |
| Wayne Heights | Census-Designated Place | Franklin | 1,683 | 1,805 | 2,545 | o |
| Waynesboro | Borough | Franklin | 9,645 | 9,614 | 10,568 | o |
| Waynesburg | Borough | Greene | 4,411 | 4,184 | 4,176 | o |
| Weatherly | Borough | Carbon | 2,640 | 2,612 | 2,525 | o |
| Webster | Census-Designated Place | Westmoreland | ... | ... | 255 | o |
| Weedville | Census-Designated Place | Elk | ... | ... | 542 | o |
| Weigelstown | Census-Designated Place | York | ... | 10,117 | 12,875 | o |
| Weissport | Borough | Carbon | 388 | 434 | 412 | o |
| Weissport East | Census-Designated Place | Carbon | 1,843 | 1,936 | 1,624 | o |
| Wellersburg | Borough | Somerset | 213 | 176 | 181 | o |
| Wellsboro | Borough | Tioga | 3,496 | 3,328 | 3,263 | o |
| Wellsville | Borough | York | 280 | 279 | 242 | o |
| Wernersville | Borough | Berks | 1,997 | 2,159 | 2,494 | o |
| Wescosville | Census-Designated Place | Lehigh | ... | ... | 5,872 | o |
| Wesleyville | Borough | Erie | 3,653 | 3,617 | 3,341 | o |
| West Alexander | Census-Designated Place | Washington | ... | ... | 604 | o |
| West Brownsville | Borough | Washington | 1,127 | 1,076 | 992 | o |
| West Chester | Borough | Chester | 18,011 | 17,861 | 18,461 | o |
| West Conshohocken | Borough | Montgomery | 1,284 | 1,446 | 1,320 | o |
| West Decatur | Census-Designated Place | Clearfield | ... | ... | 533 | o |
| West Easton | Borough | Northampton | 1,185 | 1,168 | 1,257 | o |
| West Elizabeth | Borough | Allegheny | 634 | 565 | 518 | o |
| West Fairview | Census-Designated Place | Cumberland | ... | ... | 1,282 | o |
| West Falls | Census-Designated Place | Wyoming | ... | ... | 382 | o |
| West Goshen Township | Census-Designated Place | Chester | ... | ... | 21,866 | o |
| West Grove | Borough | Chester | 2,072 | 2,652 | 2,854 | o |
| West Hamburg | Census-Designated Place | Berks | ... | ... | 1,979 | o |
| West Hazleton | Borough | Luzerne | 3,361 | 3,540 | 4,594 | o |
| West Hills | Census-Designated Place | Armstrong | 1,240 | 1,229 | 1,263 | o |
| West Homestead | Borough | Allegheny | 2,414 | 2,192 | 1,929 | o |
| West Kittanning | Borough | Armstrong | 1,094 | 1,199 | 1,175 | o |
| West Lawn | Census-Designated Place | Berks | 1,604 | 1,597 | 1,715 | o |
| West Leechburg | Borough | Westmoreland | 1,359 | 1,290 | 1,294 | o |
| West Liberty | Borough | Butler | 278 | 325 | 343 | o |
| West Mayfield | Borough | Beaver | 1,294 | 1,187 | 1,239 | o |
| West Middlesex | Borough | Mercer | 918 | 929 | 863 | o |
| West Middletown | Borough | Washington | 166 | 144 | 139 | o |
| West Mifflin | Borough | Allegheny | 23,861 | 22,199 | 20,313 | o |
| West Milton | Census-Designated Place | Union | ... | ... | 900 | o |
| West Nanticoke | Census-Designated Place | Luzerne | ... | ... | 749 | o |
| West Newton | Borough | Westmoreland | 3,246 | 3,083 | 2,633 | o |
| West Norriton Township | Census-Designated Place | Montgomery | 15,209 | 14,901 | 15,663 | o |
| West Pittsburg | Census-Designated Place | Lawrence | ... | ... | 808 | o |
| West Pittston | Borough | Luzerne | 5,789 | 5,072 | 4,868 | o |
| West Reading | Borough | Berks | 4,165 | 4,101 | 4,212 | o |
| West Sunbury | Borough | Butler | 174 | 104 | 192 | o |
| West View | Borough | Allegheny | 7,725 | 7,252 | 6,771 | o |
| West Waynesburg | Census-Designated Place | Greene | ... | ... | 446 | o |
| West Wyoming | Borough | Luzerne | 3,096 | 2,833 | 2,725 | o |
| West Wyomissing | Census-Designated Place | Berks | ... | ... | 3,407 | o |
| West York | Borough | York | 4,269 | 4,321 | 4,617 | o |
| Westfield | Borough | Tioga | 1,174 | 1,197 | 1,064 | o |
| Westland | Census-Designated Place | Washington | ... | ... | 167 | o |
| Westmont | Borough | Cambria | 5,782 | 5,523 | 5,181 | o |
| Weston | Census-Designated Place | Luzerne | ... | ... | 321 | o |
| Westover | Borough | Clearfield | 446 | 458 | 390 | o |
| Westwood | Census-Designated Place | Chester | ... | ... | 950 | o |
| Wheatland | Borough | Mercer | 771 | 748 | 632 | o |
| Whitaker | Borough | Allegheny | 1,447 | 1,336 | 1,271 | o |
| White Haven | Borough | Luzerne | 1,142 | 1,182 | 1,097 | o |
| White Mills | Census-Designated Place | Wayne | ... | ... | 659 | o |
| White Oak | Borough | Allegheny | 8,808 | 8,554 | 7,862 | o |
| Whitehall | Borough | Allegheny | 14,399 | 14,465 | 13,944 | o |
| Whitfield | Census-Designated Place | Berks | ... | ... | 4,733 | o |
| Wickerham Manor-Fisher | Census-Designated Place | Washington | 1,931 | 1,783 | 1,728 | o |
| Wiconsico | Census-Designated Place | Dauphin | ... | ... | 921 | o |
| Wilburton Number One | Census-Designated Place | Columbia | ... | 248 | 196 | o |
| Wilburton Number Two | Census-Designated Place | Columbia | ... | 77 | 96 | o |
| Wilcox | Census-Designated Place | Elk | ... | ... | 383 | o |
| Wilkes-Barre | City | Luzerne | 47,653 | 43,123 | 41,498 | o |
| Wilkins Township | Census-Designated Place | Allegheny | 7,487 | 6,917 | 6,357 | o |
| Wilkinsburg | Borough | Allegheny | 20,987 | 18,724 | 15,930 | o |
| Williamsburg | Borough | Blair | 1,456 | 1,345 | 1,254 | o |
| Williamsport | City | Lycoming | 32,270 | 30,693 | 29,381 | o |
| Williamstown | Borough | Dauphin | 1,642 | 1,433 | 1,387 | o |
| Willow Grove | Census-Designated Place | Montgomery | 16,325 | 16,234 | 15,726 | o |
| Willow Street | Census-Designated Place | Lancaster | 5,817 | 7,258 | 7,578 | o |
| Wilmerding | Borough | Allegheny | ... | 2,215 | 2,190 | o |
| Wilmore | Borough | Cambria | 277 | 250 | 225 | o |
| Wilson | Borough | Northampton | 7,848 | 7,666 | 7,896 | o |
| Wind Gap | Borough | Northampton | 2,776 | 2,812 | 2,720 | o |
| Wind Ridge | Census-Designated Place | Greene | ... | ... | 215 | o |
| Windber | Borough | Somerset | 4,794 | 4,420 | 4,138 | o |
| Windsor | Borough | York | 1,390 | 1,331 | 1,319 | o |
| Winfield | Census-Designated Place | Union | ... | ... | 900 | o |
| Winterstown | Borough | York | 581 | 546 | 632 | o |
| Witmer | Census-Designated Place | Lancaster | ... | ... | 492 | o |
| Wolfdale | Census-Designated Place | Washington | 2,906 | 2,873 | 2,888 | o |
| Womelsdorf | Borough | Berks | 2,227 | 2,599 | 2,810 | o |
| Woodbourne | Census-Designated Place | Bucks | 2,953 | 3,512 | 3,851 | o |
| Woodbury | Borough | Bedford | 239 | 269 | 284 | o |
| Woodcock | Borough | Crawford | ... | 152 | 157 | o |
| Woodland Heights | Census-Designated Place | Venango | 1,471 | 1,402 | 1,261 | o |
| Woodlyn | Census-Designated Place | Delaware | 10,151 | 10,036 | 9,485 | o |
| Woodside | Census-Designated Place | Bucks | 2,947 | 2,575 | 2,425 | o |
| Woodward | Census-Designated Place | Centre | ... | ... | 110 | o |
| Wormleysburg | Borough | Cumberland | 2,716 | 2,607 | 3,070 | o |
| Worthington | Borough | Armstrong | 718 | 776 | 639 | o |
| Worthville | Borough | Jefferson | 65 | 85 | 67 | o |
| Woxhall | Census-Designated Place | Montgomery | ... | ... | 1,318 | o |
| Wrightsville | Borough | York | 2,396 | 2,223 | 2,310 | o |
| Wyalusing | Borough | Bradford | 686 | 564 | 596 | o |
| Wyano | Census-Designated Place | Westmoreland | ... | ... | 484 | o |
| Wylandville | Census-Designated Place | Washington | ... | ... | 391 | o |
| Wyncote | Census-Designated Place | Montgomery | 2,960 | 3,046 | 3,044 | o |
| Wyndmoor | Census-Designated Place | Montgomery | 5,682 | 5,601 | 5,498 | o |
| Wyoming | Borough | Luzerne | 3,285 | 3,221 | 3,073 | o |
| Wyomissing | Borough | Berks | ... | 10,428 | 10,461 | o |
| Yardley | Borough | Bucks | 2,210 | 2,498 | 2,434 | o |
| Yatesville | Borough | Luzerne | 446 | 649 | 607 | o |
| Yeadon | Borough | Delaware | 11,976 | 11,762 | 11,443 | o |
| Yeagertown | Census-Designated Place | Mifflin | 1,150 | 1,035 | 1,050 | o |
| Yoe | Borough | York | 963 | 1,022 | 1,018 | o |
| York | City | York | 42,205 | 41,298 | 43,718 | o |
| York Haven | Borough | York | 758 | 809 | 709 | o |
| York Springs | Borough | Adams | ... | 632 | 833 | o |
| Yorkana | Borough | York | 277 | 239 | 229 | o |
| Yorklyn | Census-Designated Place | York | ... | ... | 1,912 | o |
| Youngstown | Borough | Westmoreland | 370 | 400 | 326 | o |
| Youngsville | Borough | Warren | 1,812 | 1,834 | 1,729 | o |
| Youngwood | Borough | Westmoreland | ... | 3,304 | 3,050 | o |
| Yukon | Census-Designated Place | Westmoreland | ... | ... | 677 | o |
| Zelienople | Borough | Butler | 4,161 | 4,123 | 3,812 | o |
| Zion | Census-Designated Place | Centre | ... | ... | 2,030 | o |
Source: US Census Bureau (web).
2011-04-03WWW.CITYPOPULATION.DE