USA: Washington
Counties
The population of all counties in Washington state by census years.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Adams | County | 13,603 | 16,428 | 18,728 | 20,609 | → |
| Asotin | County | 17,605 | 20,551 | 21,623 | 22,286 | → |
| Benton | County | 112,560 | 142,475 | 175,177 | 206,868 | → |
| Chelan | County | 52,250 | 66,616 | 72,453 | 79,081 | → |
| Clallam | County | 56,464 | 64,525 | 71,404 | 77,166 | → |
| Clark | County | 238,053 | 345,238 | 425,363 | 503,306 | → |
| Columbia | County | 4,024 | 4,064 | 4,078 | 3,952 | → |
| Cowlitz | County | 82,119 | 92,948 | 102,410 | 110,728 | → |
| Douglas | County | 26,205 | 32,603 | 38,431 | 42,933 | → |
| Ferry | County | 6,295 | 7,260 | 7,551 | 7,180 | → |
| Franklin | County | 37,473 | 49,347 | 78,163 | 96,748 | → |
| Garfield | County | 2,248 | 2,397 | 2,266 | 2,284 | → |
| Grant | County | 54,758 | 74,698 | 89,120 | 99,125 | → |
| Grays Harbor | County | 64,175 | 67,194 | 72,797 | 75,634 | → |
| Island | County | 60,195 | 71,558 | 78,506 | 86,851 | → |
| Jefferson | County | 20,146 | 25,953 | 29,872 | 32,971 | → |
| King | County | 1,507,319 | 1,737,034 | 1,931,249 | 2,269,697 | → |
| Kitsap | County | 189,731 | 231,969 | 251,133 | 275,612 | → |
| Kittitas | County | 26,725 | 33,362 | 40,915 | 44,310 | → |
| Klickitat | County | 16,616 | 19,161 | 20,318 | 22,730 | → |
| Lewis | County | 59,358 | 68,600 | 75,455 | 82,143 | → |
| Lincoln | County | 8,864 | 10,184 | 10,570 | 10,878 | → |
| Mason | County | 38,341 | 49,405 | 60,699 | 65,723 | → |
| Okanogan | County | 33,350 | 39,564 | 41,120 | 42,090 | → |
| Pacific | County | 18,882 | 20,984 | 20,920 | 23,368 | → |
| Pend Oreille | County | 8,915 | 11,732 | 13,001 | 13,400 | → |
| Pierce | County | 586,203 | 700,820 | 795,225 | 921,147 | → |
| San Juan | County | 10,035 | 14,077 | 15,769 | 17,786 | → |
| Skagit | County | 79,555 | 102,979 | 116,901 | 129,524 | → |
| Skamania | County | 8,289 | 9,872 | 11,066 | 12,033 | → |
| Snohomish | County | 465,642 | 606,024 | 713,335 | 827,953 | → |
| Spokane | County | 361,364 | 417,939 | 471,221 | 539,340 | → |
| Stevens | County | 30,948 | 40,066 | 43,531 | 46,450 | → |
| Thurston | County | 161,238 | 207,355 | 252,264 | 294,792 | → |
| Wahkiakum | County | 3,327 | 3,824 | 3,978 | 4,424 | → |
| Walla Walla | County | 48,439 | 55,180 | 58,781 | 62,585 | → |
| Whatcom | County | 127,780 | 166,814 | 201,140 | 226,852 | → |
| Whitman | County | 38,775 | 40,740 | 44,776 | 47,970 | → |
| Yakima | County | 188,823 | 222,581 | 243,231 | 256,738 | → |
| Washington | State | 4,866,692 | 5,894,121 | 6,724,540 | 7,705,267 |
Contents: Places
The population of all places in Washington state by census years.
| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|---|
| Aberdeen | City | Grays Harbor | 16,535 | 16,511 | 16,866 | 17,018 | → |
| Aberdeen Gardens | Census-Designated Place | Grays Harbor | 264 | 240 | 279 | 279 | → |
| Acme | Census-Designated Place | Whatcom | 130 | 146 | 175 | 229 | → |
| Addy | Census-Designated Place | Stevens | 142 | 135 | 268 | 210 | → |
| Ahtanum | Census-Designated Place | Yakima | 2,690 | 2,774 | 3,034 | 4,046 | → |
| Airway Heights | City | Spokane | 1,978 | 4,495 | 7,543 | 10,761 | → |
| Albion | Town | Whitman | 635 | 607 | 590 | 551 | → |
| Alder | Census-Designated Place | Pierce | 88 | 193 | 227 | 212 | → |
| Alderton | Census-Designated Place | Pierce | 2,146 | 3,020 | 2,893 | 3,274 | → |
| Alderwood Manor | Census-Designated Place | Snohomish | 6,628 | 7,209 | 8,442 | 10,198 | → |
| Alger | Census-Designated Place | Skagit | 319 | 320 | 403 | 507 | → |
| Algona | City | King | 1,781 | 2,436 | 3,014 | 3,289 | → |
| Allyn | Census-Designated Place | Mason | 483 | 854 | 1,963 | 2,194 | → |
| Almira | Town | Lincoln | 310 | 305 | 284 | 320 | → |
| Altoona | Census-Designated Place | Wahkiakum | 28 | 33 | 39 | 56 | → |
| Amanda Park | Census-Designated Place | Grays Harbor | 137 | 227 | 252 | 162 | → |
| Amboy | Census-Designated Place | Clark | 862 | 1,272 | 1,608 | 1,800 | → |
| Ames Lake | Census-Designated Place | King | 1,010 | 1,435 | 1,486 | 1,524 | → |
| Anacortes | City | Skagit | 11,798 | 14,500 | 15,768 | 17,638 | → |
| Anatone | Census-Designated Place | Asotin | 24 | 32 | 26 | 25 | → |
| Anderson Island | Census-Designated Place | Pierce | 548 | 900 | 1,037 | 1,302 | → |
| Arlington | City | Snohomish | 6,417 | 12,339 | 17,943 | 19,911 | → |
| Arlington Heights | Census-Designated Place | Snohomish | 1,529 | 2,510 | 2,284 | 2,477 | → |
| Artondale | Census-Designated Place | Pierce | 9,157 | 11,406 | 12,653 | 13,641 | → |
| Ashford | Census-Designated Place | Pierce | 190 | 267 | 245 | 303 | → |
| Asotin | City | Asotin | 979 | 1,117 | 1,245 | 1,178 | → |
| Auburn | City | King / Pierce | 44,897 | 55,312 | 70,299 | 87,183 | → |
| Bainbridge Island | City | Kitsap | 15,848 | 20,311 | 23,025 | 24,825 | → |
| Bangor Base | Census-Designated Place | Kitsap | 4,441 | 7,256 | 6,054 | 5,482 | → |
| Banks Lake South | Census-Designated Place | Grant | 170 | 160 | 174 | 234 | → |
| Barberton | Census-Designated Place | Clark | 2,918 | 4,617 | 5,661 | 8,567 | → |
| Baring | Census-Designated Place | King | 112 | 233 | 220 | 255 | → |
| Barney's Junction | Census-Designated Place | Ferry | ... | 161 | 146 | 114 | → |
| Barstow | Census-Designated Place | Ferry | ... | 33 | 59 | 66 | → |
| Basin City | Census-Designated Place | Franklin | 632 | 968 | 1,092 | 1,063 | → |
| Battle Ground | City | Clark | 4,768 | 10,670 | 17,785 | 20,759 | → |
| Bay Center | Census-Designated Place | Pacific | 94 | 240 | 276 | 253 | → |
| Bay View | Census-Designated Place | Skagit | 530 | 662 | 696 | 812 | → |
| Beacon Hill | Census-Designated Place | Cowlitz | 1,594 | 1,702 | 2,046 | 2,211 | → |
| Beaux Arts Village | Town | King | 314 | 287 | 299 | 317 | → |
| Belfair | Census-Designated Place | Mason | 2,564 | 2,980 | 3,931 | 4,279 | → |
| Bell Hill | Census-Designated Place | Clallam | 296 | 564 | 837 | 875 | → |
| Bellevue (incl. Eastgate) | City | King | 98,438 | 117,850 | 127,885 | 151,868 | → |
| Bellingham | City | Whatcom | 53,458 | 68,085 | 81,610 | 91,476 | → |
| Benton City | City | Benton | 1,812 | 2,624 | 3,033 | 3,490 | → |
| Bethel | Census-Designated Place | Kitsap | 2,745 | 3,191 | 3,713 | 4,073 | → |
| Beverly | Census-Designated Place | Grant | 52 | 89 | 111 | 266 | → |
| Bickleton | Census-Designated Place | Klickitat | 40 | 84 | 88 | 92 | → |
| Big Lake | Census-Designated Place | Skagit | 1,328 | 1,496 | 2,496 | 2,980 | → |
| Bingen | City | Klickitat | 641 | 682 | 712 | 776 | → |
| Birch Bay | Census-Designated Place | Whatcom | 2,917 | 5,298 | 8,413 | 10,115 | → |
| Black Diamond | City | King | 2,809 | 3,964 | 4,135 | 4,695 | → |
| Blaine | City | Whatcom | 2,730 | 3,780 | 4,691 | 5,885 | → |
| Blyn | Census-Designated Place | Clallam | 108 | 162 | 101 | 108 | → |
| Bonney Lake | City | Pierce | 9,698 | 11,683 | 17,595 | 21,664 | → |
| Bothell | City | King / Snohomish | 26,814 | 34,226 | 39,830 | 48,154 | → |
| Bothell East | Census-Designated Place | Snohomish | 2,488 | 4,422 | 8,018 | 13,970 | → |
| Bothell West | Census-Designated Place | Snohomish | 12,735 | 13,314 | 16,607 | 22,015 | → |
| Boulevard Park | Census-Designated Place | King | 3,996 | 4,017 | 3,973 | 4,094 | → |
| Bow | Census-Designated Place | Skagit | 292 | 240 | 167 | 203 | → |
| Boyds | Census-Designated Place | Ferry | ... | 12 | 34 | 34 | → |
| Brady | Census-Designated Place | Grays Harbor | 1,142 | 645 | 676 | 692 | → |
| Bremerton | City | Kitsap | 39,854 | 37,321 | 37,839 | 43,506 | → |
| Brewster | City | Okanogan | 1,653 | 2,289 | 2,368 | 1,985 | → |
| Bridgeport | City | Douglas | 1,500 | 2,049 | 2,410 | 2,130 | → |
| Brier | City | Snohomish | 5,636 | 6,319 | 6,237 | 6,555 | → |
| Brinnon | Census-Designated Place | Jefferson | 684 | 803 | 797 | 907 | → |
| Browns Point | Census-Designated Place | Pierce | 1,215 | 916 | 1,198 | 1,263 | → |
| Brush Prairie | Census-Designated Place | Clark | 2,650 | 2,384 | 2,652 | 2,749 | → |
| Bryant | Census-Designated Place | Snohomish | 1,049 | 1,014 | 1,870 | 2,128 | → |
| Bryn Mawr-Skyway | Census-Designated Place | King | 11,909 | 13,977 | 15,645 | 17,397 | → |
| Buckley | City | Pierce | 3,529 | 4,087 | 4,344 | 5,118 | → |
| Bucoda | Town | Thurston | 536 | 630 | 562 | 598 | → |
| Buena | Census-Designated Place | Yakima | 626 | 889 | 1,064 | 1,048 | → |
| Bunk Foss | Census-Designated Place | Snohomish | 2,338 | 3,087 | 3,570 | 3,680 | → |
| Burbank | Census-Designated Place | Walla Walla | 2,173 | 2,908 | 3,122 | 3,499 | → |
| Burien (incl. Riverton) | City | King | 40,705 | 45,714 | 48,079 | 52,072 | → |
| Burley | Census-Designated Place | Kitsap | 1,420 | 1,911 | 2,057 | 2,081 | → |
| Burlington | City | Skagit | 4,789 | 6,835 | 8,377 | 9,168 | → |
| Camano | Census-Designated Place | Island | 7,329 | 13,347 | 15,661 | 17,356 | → |
| Camas | City | Clark | 7,242 | 12,841 | 19,818 | 26,107 | → |
| Canterwood | Census-Designated Place | Pierce | 1,317 | 2,520 | 3,079 | 3,572 | → |
| Canyon Creek | Census-Designated Place | Snohomish | 919 | 2,335 | 3,200 | 3,445 | → |
| Carbonado | Town | Pierce | 498 | 648 | 608 | 738 | → |
| Carlsborg | Census-Designated Place | Clallam | 652 | 951 | 995 | 1,100 | → |
| Carnation | City | King | 1,301 | 1,914 | 1,783 | 2,155 | → |
| Carson | Census-Designated Place | Skamania | 1,686 | 2,116 | 2,279 | 2,323 | → |
| Cascade Valley | Census-Designated Place | Grant | 2,617 | 3,309 | 3,734 | 4,332 | → |
| Cashmere | City | Chelan | 2,578 | 2,972 | 3,112 | 3,249 | → |
| Castle Rock | City | Cowlitz | 2,219 | 2,424 | 2,113 | 2,449 | → |
| Cathcart | Census-Designated Place | Snohomish | 2,063 | 3,015 | 2,458 | 2,647 | → |
| Cathlamet | Town | Wahkiakum | 533 | 563 | 532 | 561 | → |
| Cavalero | Census-Designated Place | Snohomish | 1,399 | 2,178 | 1,437 | 5,232 | → |
| Centerville | Census-Designated Place | Klickitat | 133 | 120 | 112 | 94 | → |
| Central Park | Census-Designated Place | Grays Harbor | 2,669 | 2,558 | 2,685 | 2,841 | → |
| Centralia | City | Lewis | 13,117 | 14,826 | 16,663 | 18,322 | → |
| Chain Lake | Census-Designated Place | Snohomish | 1,878 | 3,086 | 3,935 | 4,806 | → |
| Chehalis | City | Lewis | 6,527 | 7,021 | 7,257 | 7,428 | → |
| Chelan | City | Chelan | 3,268 | 3,803 | 3,888 | 4,226 | → |
| Chelan Falls | Census-Designated Place | Chelan | 213 | 132 | 329 | 340 | → |
| Cheney | City | Spokane | 7,892 | 8,831 | 10,595 | 13,268 | → |
| Cherry Grove | Census-Designated Place | Clark | 359 | 448 | 512 | 588 | → |
| Chewelah | City | Stevens | 1,967 | 2,221 | 2,599 | 2,473 | → |
| Chico | Census-Designated Place | Kitsap | 1,375 | 2,269 | 2,259 | 2,723 | → |
| Chinook | Census-Designated Place | Pacific | 436 | 457 | 466 | 457 | → |
| Clallam Bay | Census-Designated Place | Clallam | 122 | 242 | 363 | 386 | → |
| Clarkston | City | Asotin | 6,812 | 7,279 | 7,236 | 7,206 | → |
| Clarkston Heights-Vineland | Census-Designated Place | Asotin | 5,055 | 6,330 | 6,756 | 7,275 | → |
| Clayton | Census-Designated Place | Stevens | 151 | 244 | 443 | 420 | → |
| Cle Elum | City | Kittitas | 1,827 | 1,748 | 1,870 | 2,159 | → |
| Clear Lake | Census-Designated Place | Pierce | 702 | 1,262 | 1,419 | 1,578 | → |
| Clear Lake | Census-Designated Place | Skagit | 863 | 942 | 1,002 | 1,228 | → |
| Clearview | Census-Designated Place | Snohomish | 3,144 | 3,205 | 3,324 | 3,648 | → |
| Cliffdell | Census-Designated Place | Yakima | 99 | 129 | 126 | 114 | → |
| Clinton | Census-Designated Place | Island | 785 | 868 | 928 | 956 | → |
| Clover Creek | Census-Designated Place | Pierce | 4,336 | 5,901 | 6,522 | 7,161 | → |
| Clyde Hill | City | King | 2,965 | 2,892 | 2,988 | 3,125 | → |
| Cohassett Beach | Census-Designated Place | Grays Harbor | 555 | 618 | 722 | 771 | → |
| Colfax | City | Whitman | 2,801 | 2,885 | 2,793 | 2,790 | → |
| College Place | City | Walla Walla | 6,408 | 7,801 | 8,800 | 9,942 | → |
| Colton | Town | Whitman | 323 | 385 | 429 | 400 | → |
| Colville | City | Stevens | 4,291 | 4,803 | 4,722 | 4,926 | → |
| Conconully | Town | Okanogan | 153 | 213 | 201 | 191 | → |
| Concrete | Town | Skagit | 735 | 797 | 705 | 796 | → |
| Connell | City | Franklin | 2,008 | 3,021 | 4,210 | 5,438 | → |
| Conway | Census-Designated Place | Skagit | 55 | 84 | 91 | 87 | → |
| Copalis Beach | Census-Designated Place | Grays Harbor | 455 | 489 | 415 | 447 | → |
| Cosmopolis | City | Grays Harbor | 1,404 | 1,557 | 1,642 | 1,630 | → |
| Cottage Lake | Census-Designated Place | King | 21,905 | 24,330 | 22,494 | 22,857 | → |
| Cougar | Census-Designated Place | Cowlitz | 24 | 40 | 101 | 118 | → |
| Coulee City | Town | Grant | 576 | 598 | 560 | 550 | → |
| Coulee Dam | Town | Okanogan / Douglas / Grant | 1,087 | 1,053 | 1,098 | 1,214 | → |
| Country Homes | Census-Designated Place | Spokane | 5,126 | 5,203 | 5,841 | 6,251 | → |
| Coupeville | Town | Island | 1,381 | 1,747 | 1,833 | 1,944 | → |
| Covington | City | King | 11,278 | 14,183 | 17,565 | 20,772 | → |
| Cowiche | Census-Designated Place | Yakima | 304 | 515 | 590 | 535 | → |
| Crescent Bar | Census-Designated Place | Grant | ... | 141 | 128 | 325 | → |
| Creston | Town | Lincoln | 230 | 233 | 233 | 215 | → |
| Crocker | Census-Designated Place | Pierce | 1,027 | 1,308 | 1,268 | 1,450 | → |
| Curlew | Census-Designated Place | Ferry | 81 | 79 | 118 | 105 | → |
| Curlew Lake | Census-Designated Place | Ferry | 234 | 397 | 462 | 512 | → |
| Cusick | Town | Pend Oreille | 191 | 210 | 204 | 150 | → |
| Custer | Census-Designated Place | Whatcom | 400 | 461 | 492 | 518 | → |
| Dallesport | Census-Designated Place | Klickitat | 876 | 1,185 | 1,202 | 1,328 | → |
| Danville | Census-Designated Place | Ferry | ... | 34 | 34 | 51 | → |
| Darrington | Town | Snohomish | 1,060 | 1,241 | 1,347 | 1,477 | → |
| Dash Point | Census-Designated Place | Pierce | 719 | 1,088 | 931 | 963 | → |
| Davenport | City | Lincoln | 1,495 | 1,743 | 1,734 | 1,709 | → |
| Dayton | City | Columbia | 2,485 | 2,671 | 2,535 | 2,450 | → |
| Deep River | Census-Designated Place | Wahkiakum | 238 | 208 | 204 | 217 | → |
| Deer Park | City | Spokane | 2,278 | 3,009 | 3,661 | 4,384 | → |
| Deming | Census-Designated Place | Whatcom | 389 | 186 | 325 | 339 | → |
| Des Moines | City | King | 26,987 | 29,606 | 29,685 | 32,915 | → |
| Desert Aire | Census-Designated Place | Grant | 669 | 1,124 | 1,626 | 2,288 | → |
| Disautel | Census-Designated Place | Okanogan | ... | 67 | 78 | 47 | → |
| Dixie | Census-Designated Place | Walla Walla | 153 | 220 | 197 | 225 | → |
| Dollars Corner | Census-Designated Place | Clark | 1,017 | 1,039 | 1,108 | 1,246 | → |
| Donald | Census-Designated Place | Yakima | 155 | 166 | 154 | 172 | → |
| Duluth | Census-Designated Place | Clark | 1,020 | 1,424 | 1,544 | 1,718 | → |
| DuPont | City | Pierce | 590 | 2,120 | 8,199 | 10,091 | → |
| Duvall | City | King | 2,868 | 4,676 | 6,713 | 8,036 | → |
| East Cathlamet | Census-Designated Place | Wahkiakum | 326 | 491 | 491 | 578 | → |
| East Port Orchard | Census-Designated Place | Kitsap | 3,457 | 4,002 | 3,761 | 5,262 | → |
| East Renton Highlands | Census-Designated Place | King | 10,742 | 10,977 | 11,140 | 11,937 | → |
| East Wenatchee | City | Douglas | 9,578 | 11,686 | 13,179 | 14,153 | → |
| Eastmont | Census-Designated Place | Snohomish | 13,119 | 15,351 | 20,101 | 24,059 | → |
| Easton | Census-Designated Place | Kittitas | 128 | 437 | 478 | 407 | → |
| Eatonville | Town | Pierce | 1,443 | 2,094 | 2,756 | 2,853 | → |
| Edgewood | City | Pierce | 8,708 | 9,123 | 9,379 | 12,337 | → |
| Edison | Census-Designated Place | Skagit | 177 | 190 | 206 | 240 | → |
| Edmonds | City | Snohomish | 38,961 | 39,431 | 39,686 | 42,853 | → |
| Elbe | Census-Designated Place | Pierce | ... | 21 | 29 | 39 | → |
| Electric City | City | Grant | 913 | 1,054 | 976 | 957 | → |
| Elk Plain | Census-Designated Place | Pierce | 9,207 | 14,053 | 14,205 | 14,534 | → |
| Ellensburg | City | Kittitas | 12,808 | 15,501 | 18,306 | 21,557 | → |
| Elma | City | Grays Harbor | 3,235 | 3,333 | 3,292 | 3,440 | → |
| Elmer City | Town | Okanogan | 290 | 262 | 251 | 243 | → |
| Endicott | Town | Whitman | 320 | 343 | 299 | 312 | → |
| Enetai | Census-Designated Place | Kitsap | 2,728 | 2,327 | 2,286 | 2,497 | → |
| Entiat | City | Chelan | 640 | 1,024 | 1,111 | 1,329 | → |
| Enumclaw | City | King / Pierce | 7,845 | 11,687 | 11,091 | 12,542 | → |
| Ephrata | City | Grant | 5,481 | 6,822 | 7,688 | 8,468 | → |
| Erlands Point | Census-Designated Place | Kitsap | 923 | 850 | 891 | 916 | → |
| Eschbach | Census-Designated Place | Yakima | 352 | 400 | 415 | 441 | → |
| Esperance | Census-Designated Place | Snohomish | 4,015 | 3,503 | 3,601 | 4,007 | → |
| Everett | City | Snohomish | 75,801 | 95,617 | 102,864 | 110,600 | → |
| Everson | City | Whatcom | 1,546 | 2,005 | 2,487 | 2,940 | → |
| Fairchild AFB | Census-Designated Place | Spokane | 4,854 | 4,357 | 2,776 | 2,695 | → |
| Fairfield | Town | Spokane | 516 | 498 | 614 | 591 | → |
| Fairwood | Census-Designated Place | King | 15,063 | 16,515 | 19,102 | 19,396 | → |
| Fairwood | Census-Designated Place | Spokane | 5,807 | 6,764 | 8,387 | 10,541 | → |
| Fall City | Census-Designated Place | King | 1,748 | 1,852 | 1,993 | 2,032 | → |
| Farmington | Town | Whitman | 109 | 149 | 150 | 132 | → |
| Federal Way | City | King | 67,739 | 85,431 | 89,259 | 101,023 | → |
| Felida | Census-Designated Place | Clark | 3,109 | 5,683 | 7,385 | 9,526 | → |
| Fern Prairie | Census-Designated Place | Clark | 1,660 | 1,583 | 1,884 | 2,061 | → |
| Ferndale | City | Whatcom | 5,873 | 8,820 | 11,440 | 15,084 | → |
| Fife | City | Pierce | 4,730 | 4,891 | 9,329 | 11,030 | → |
| Fife Heights | Census-Designated Place | Pierce | 731 | 920 | 1,973 | 1,882 | → |
| Finley | Census-Designated Place | Benton | 4,897 | 5,770 | 6,012 | 6,152 | → |
| Fircrest | City | Pierce | 5,833 | 5,855 | 6,541 | 7,149 | → |
| Five Corners | Census-Designated Place | Clark | 8,924 | 12,207 | 18,159 | 20,973 | → |
| Fobes Hill | Census-Designated Place | Snohomish | 2,046 | 2,317 | 2,418 | 2,628 | → |
| Fords Prairie | Census-Designated Place | Lewis | 1,775 | 1,823 | 1,792 | 2,234 | → |
| Forks | City | Clallam | 3,270 | 3,258 | 3,565 | 3,366 | → |
| Fort Lewis | Census-Designated Place | Pierce | 18,974 | 16,479 | 11,046 | 14,052 | → |
| Four Lakes | Census-Designated Place | Spokane | 449 | 513 | 451 | 537 | → |
| Fox Island | Census-Designated Place | Pierce | 2,017 | 2,803 | 3,633 | 3,921 | → |
| Frederickson | Census-Designated Place | Pierce | 6,267 | 10,754 | 16,791 | 24,906 | → |
| Freeland | Census-Designated Place | Island | 968 | 1,313 | 2,045 | 2,252 | → |
| Friday Harbor | Town | San Juan | 1,480 | 2,008 | 2,163 | 2,612 | → |
| Garfield | Town | Whitman | 544 | 640 | 599 | 562 | → |
| Garrett | Census-Designated Place | Walla Walla | 1,082 | 1,244 | 1,694 | 1,771 | → |
| Geneva | Census-Designated Place | Whatcom | 1,931 | 2,257 | 2,529 | 2,652 | → |
| George | City | Grant | 200 | 482 | 502 | 807 | → |
| Gig Harbor | City | Pierce | 4,699 | 6,915 | 7,133 | 12,045 | → |
| Glacier | Census-Designated Place | Whatcom | 44 | 66 | 176 | 300 | → |
| Gleed | Census-Designated Place | Yakima | 2,614 | 2,947 | 2,906 | 2,873 | → |
| Glenwood | Census-Designated Place | Klickitat | 179 | 171 | 122 | 179 | → |
| Gold Bar | City | Snohomish | 1,218 | 2,014 | 2,162 | 2,402 | → |
| Goldendale | City | Klickitat | 3,366 | 3,787 | 3,403 | 3,454 | → |
| Gorst | Census-Designated Place | Kitsap | 460 | 378 | 592 | 605 | → |
| Graham | Census-Designated Place | Pierce | 10,427 | 18,316 | 25,089 | 32,658 | → |
| Grand Coulee | City | Grant | 1,011 | 938 | 1,031 | 973 | → |
| Grand Mound | Census-Designated Place | Thurston | 1,665 | 2,231 | 3,158 | 3,301 | → |
| Grandview | City | Yakima | 7,112 | 8,546 | 10,848 | 10,989 | → |
| Granger | City | Yakima | 2,035 | 2,640 | 3,258 | 3,629 | → |
| Granite Falls | City | Snohomish | 1,202 | 2,437 | 3,388 | 4,511 | → |
| Grapeview | Census-Designated Place | Mason | 792 | 671 | 954 | 991 | → |
| Grayland | Census-Designated Place | Grays Harbor | 899 | 1,002 | 953 | 847 | → |
| Grays River | Census-Designated Place | Wahkiakum | 325 | 238 | 263 | 248 | → |
| Green Bluff | Census-Designated Place | Spokane | 338 | 452 | 761 | 697 | → |
| Greenwater | Census-Designated Place | Pierce | 101 | 91 | 67 | 95 | → |
| Hamilton | Town | Skagit | 241 | 326 | 301 | 301 | → |
| Hansville | Census-Designated Place | Kitsap | 1,488 | 2,550 | 3,091 | 3,410 | → |
| Harrah | Town | Yakima | 346 | 501 | 624 | 580 | → |
| Harrington | City | Lincoln | 449 | 426 | 427 | 437 | → |
| Hartline | Town | Grant | 176 | 131 | 151 | 179 | → |
| Hat Island | Census-Designated Place | Snohomish | 27 | 26 | 41 | 91 | → |
| Hatton | Town | Adams | 71 | 103 | 101 | 79 | → |
| Hazel Dell | Census-Designated Place | Clark | 12,617 | 15,866 | 19,435 | 23,569 | → |
| Herron Island | Census-Designated Place | Pierce | 125 | 152 | 151 | 150 | → |
| High Bridge | Census-Designated Place | Snohomish | 1,782 | 2,599 | 2,994 | 3,140 | → |
| Hobart | Census-Designated Place | King | 5,254 | 6,251 | 6,221 | 6,767 | → |
| Hockinson | Census-Designated Place | Clark | 3,258 | 4,365 | 4,771 | 6,105 | → |
| Hogans Corner | Census-Designated Place | Grays Harbor | 72 | 77 | 85 | 86 | → |
| Home | Census-Designated Place | Pierce | 866 | 1,281 | 1,377 | 1,543 | → |
| Hoodsport | Census-Designated Place | Mason | 73 | 151 | 376 | 419 | → |
| Hoquiam | City | Grays Harbor | 9,069 | 9,120 | 8,738 | 8,774 | → |
| Humptulips | Census-Designated Place | Grays Harbor | 73 | 216 | 255 | 236 | → |
| Hunts Point | Town | King | 501 | 456 | 394 | 456 | → |
| Ilwaco | City | Pacific | 827 | 955 | 936 | 1,088 | → |
| Inchelium | Census-Designated Place | Ferry | 393 | 389 | 409 | 431 | → |
| Index | Town | Snohomish | 139 | 160 | 176 | 154 | → |
| Indianola | Census-Designated Place | Kitsap | 1,729 | 3,026 | 3,500 | 3,664 | → |
| Ione | Town | Pend Oreille | 507 | 481 | 444 | 431 | → |
| Issaquah | City | King | 13,000 | 16,712 | 30,436 | 40,073 | → |
| Jamestown | Census-Designated Place | Clallam | 227 | 339 | 361 | 412 | → |
| Kahlotus | City | Franklin | 167 | 236 | 189 | 143 | → |
| Kalama | City | Cowlitz | 1,571 | 1,821 | 2,361 | 2,959 | → |
| Kapowsin | Census-Designated Place | Pierce | 285 | 349 | 333 | 372 | → |
| Kayak Point | Census-Designated Place | Snohomish | 797 | 1,662 | 1,577 | 1,883 | → |
| Keller | Census-Designated Place | Ferry | ... | 195 | 234 | 229 | → |
| Kelso | City | Cowlitz | 11,822 | 11,804 | 11,915 | 12,716 | → |
| Kendall | Census-Designated Place | Whatcom | 138 | 342 | 691 | 769 | → |
| Kenmore | City | King | 15,973 | 18,668 | 20,495 | 23,916 | → |
| Kennewick | City | Benton | 48,329 | 59,188 | 73,994 | 83,940 | → |
| Kent | City | King | 79,668 | 103,476 | 118,620 | 136,608 | → |
| Ketron Island | Census-Designated Place | Pierce | 15 | 24 | 17 | 20 | → |
| Kettle Falls | City | Stevens | 1,295 | 1,313 | 1,591 | 1,633 | → |
| Key Center | Census-Designated Place | Pierce | 2,082 | 3,156 | 3,692 | 3,863 | → |
| Keyport | Census-Designated Place | Kitsap | 597 | 403 | 554 | 576 | → |
| Kingston | Census-Designated Place | Kitsap | 814 | 917 | 2,099 | 2,515 | → |
| Kirkland | City | King | 71,742 | 76,839 | 80,585 | 92,164 | → |
| Kitsap Lake | Census-Designated Place | Kitsap | 1,581 | 1,771 | 1,932 | 1,997 | → |
| Kittitas | City | Kittitas | 855 | 1,107 | 1,358 | 1,446 | → |
| Klickitat | Census-Designated Place | Klickitat | 250 | 417 | 362 | 320 | → |
| Krupp (Marlin) | Town | Grant | 51 | 60 | 48 | 46 | → |
| La Center | City | Clark | 623 | 1,863 | 2,945 | 3,429 | → |
| La Conner | Town | Skagit | 698 | 777 | 872 | 969 | → |
| La Grande | Census-Designated Place | Pierce | 130 | 145 | 109 | 121 | → |
| Lacey | City | Thurston | 27,155 | 35,920 | 46,041 | 56,326 | → |
| LaCrosse | Town | Whitman | 336 | 380 | 313 | 299 | → |
| Lake Bosworth | Census-Designated Place | Snohomish | 259 | 631 | 826 | 868 | → |
| Lake Cassidy | Census-Designated Place | Snohomish | 2,573 | 2,750 | 3,415 | 3,757 | → |
| Lake Cavanaugh | Census-Designated Place | Skagit | ... | 122 | 167 | 200 | → |
| Lake Forest Park | City | King | 13,415 | 13,195 | 12,602 | 13,628 | → |
| Lake Goodwin | Census-Designated Place | Snohomish | 2,894 | 3,864 | 4,156 | 4,462 | → |
| Lake Holm | Census-Designated Place | King | 2,491 | 3,596 | 3,221 | 3,430 | → |
| Lake Ketchum | Census-Designated Place | Snohomish | 848 | 1,173 | 1,195 | 1,268 | → |
| Lake Marcel-Stillwater | Census-Designated Place | King | 1,118 | 1,381 | 1,277 | 1,334 | → |
| Lake McMurray | Census-Designated Place | Skagit | 159 | 211 | 263 | 382 | → |
| Lake Morton-Berrydale | Census-Designated Place | King | 8,333 | 9,659 | 10,160 | 10,474 | → |
| Lake Roesiger | Census-Designated Place | Snohomish | 407 | 439 | 503 | 611 | → |
| Lake Shore | Census-Designated Place | Clark | 5,309 | 6,670 | 6,571 | 7,056 | → |
| Lake Stevens | City | Snohomish | 13,890 | 22,290 | 31,328 | 38,930 | → |
| Lake Stickney | Census-Designated Place | Snohomish | 5,288 | 6,781 | 11,953 | 15,413 | → |
| Lake Tapps | Census-Designated Place | Pierce | 8,252 | 10,163 | 11,859 | 12,962 | → |
| Lakeland North | Census-Designated Place | King | 9,820 | 11,070 | 12,942 | 13,663 | → |
| Lakeland South | Census-Designated Place | King | 8,642 | 9,743 | 11,574 | 13,169 | → |
| Lakeview | Census-Designated Place | Grant | 644 | 797 | 915 | 1,068 | → |
| Lakewood | City | Pierce | 55,953 | 59,348 | 57,532 | 63,608 | → |
| Lamont | Town | Whitman | 91 | 106 | 70 | 78 | → |
| Langley | City | Island | 853 | 966 | 1,015 | 1,148 | → |
| Larch Way | Census-Designated Place | Snohomish | 1,598 | 1,907 | 3,318 | 4,993 | → |
| Latah | Town | Spokane | 175 | 150 | 180 | 178 | → |
| Laurier | Census-Designated Place | Ferry | ... | ... | 1 | 4 | → |
| Leavenworth | City | Chelan | 1,810 | 2,072 | 1,974 | 2,262 | → |
| Lebam | Census-Designated Place | Pacific | 80 | 176 | 160 | 150 | → |
| Lewisville | Census-Designated Place | Clark | 1,367 | 1,542 | 1,513 | 1,860 | → |
| Lexington | Census-Designated Place | Cowlitz | 2,045 | 2,863 | 3,471 | 3,834 | → |
| Liberty Lake | City | Spokane | 1,003 | 3,409 | 7,594 | 12,001 | → |
| Lind | Town | Adams | 484 | 570 | 562 | 538 | → |
| Lochsloy | Census-Designated Place | Snohomish | 2,010 | 2,449 | 2,533 | 2,806 | → |
| Lofall | Census-Designated Place | Kitsap | 1,824 | 2,216 | 2,289 | 2,211 | → |
| Long Beach | City | Pacific | 1,291 | 1,375 | 1,393 | 1,692 | → |
| Longbranch | Census-Designated Place | Pierce | 1,650 | 2,990 | 3,784 | 4,141 | → |
| Longview | City | Cowlitz | 32,101 | 35,364 | 36,833 | 37,819 | → |
| Longview Heights | Census-Designated Place | Cowlitz | 3,310 | 3,513 | 3,851 | 4,033 | → |
| Loomis | Census-Designated Place | Okanogan | 134 | 137 | 159 | 161 | → |
| Loon Lake | Census-Designated Place | Stevens | 420 | 492 | 783 | 898 | → |
| Lower Elochoman | Census-Designated Place | Wahkiakum | 103 | 129 | 185 | 275 | → |
| Lyle | Census-Designated Place | Klickitat | 471 | 449 | 499 | 518 | → |
| Lyman | Town | Skagit | 290 | 391 | 439 | 422 | → |
| Lynden | City | Whatcom | 5,921 | 9,522 | 12,025 | 15,748 | → |
| Lynnwood | City | Snohomish | 29,669 | 34,138 | 35,853 | 38,571 | → |
| Mabton | City | Yakima | 1,508 | 1,918 | 2,284 | 1,955 | → |
| Machias | Census-Designated Place | Snohomish | 1,033 | 1,072 | 1,178 | 1,264 | → |
| Malden | Town | Whitman | 189 | 214 | 203 | 216 | → |
| Malo | Census-Designated Place | Ferry | ... | 37 | 28 | 32 | → |
| Malone | Census-Designated Place | Grays Harbor | 332 | 396 | 475 | 468 | → |
| Malott | Census-Designated Place | Okanogan | 426 | 314 | 487 | 464 | → |
| Maltby | Census-Designated Place | Snohomish | 9,255 | 10,700 | 10,830 | 11,277 | → |
| Manchester | Census-Designated Place | Kitsap | 4,031 | 4,958 | 5,413 | 5,714 | → |
| Mansfield | Town | Douglas | 312 | 319 | 320 | 331 | → |
| Manson | Census-Designated Place | Chelan | 661 | 1,103 | 1,468 | 1,523 | → |
| Maple Falls | Census-Designated Place | Whatcom | 172 | 277 | 249 | 291 | → |
| Maple Heights-Lake Desire | Census-Designated Place | King | 1,990 | 2,569 | 3,152 | 3,873 | → |
| Maple Valley | City | King | 6,201 | 14,284 | 22,724 | 28,010 | → |
| Maplewood | Census-Designated Place | Pierce | 3,352 | 4,166 | 5,138 | 5,469 | → |
| Marblemount | Census-Designated Place | Skagit | 184 | 251 | 203 | 286 | → |
| Marcus | Town | Stevens | 135 | 141 | 171 | 215 | → |
| Marietta-Alderwood | Census-Designated Place | Whatcom | 2,577 | 3,594 | 3,906 | 4,015 | → |
| Marine View | Census-Designated Place | Grant | ... | 64 | 141 | 405 | → |
| Markham | Census-Designated Place | Grays Harbor | 99 | 95 | 111 | 119 | → |
| Marrowstone | Census-Designated Place | Jefferson | 681 | 837 | 844 | 995 | → |
| Martha Lake | Census-Designated Place | Snohomish | 9,143 | 12,633 | 15,473 | 21,660 | → |
| Maryhill | Census-Designated Place | Klickitat | 31 | 98 | 58 | 55 | → |
| Marysville | City | Snohomish | 32,803 | 46,160 | 60,022 | 70,715 | → |
| Mattawa | City | Grant | 942 | 2,556 | 4,443 | 3,344 | → |
| May Creek | Census-Designated Place | Snohomish | 201 | 862 | 818 | 849 | → |
| McChord AFB | Census-Designated Place | Pierce | 5,078 | 4,096 | 2,507 | 3,188 | → |
| McCleary | City | Grays Harbor | 1,473 | 1,480 | 1,652 | 2,000 | → |
| McKenna | Census-Designated Place | Pierce | 323 | 553 | 716 | 678 | → |
| McMillin | Census-Designated Place | Pierce | 1,120 | 1,036 | 1,547 | 1,624 | → |
| Mead | Census-Designated Place | Spokane | 4,298 | 6,868 | 7,275 | 7,576 | → |
| Meadow Glade | Census-Designated Place | Clark | 1,038 | 1,400 | 2,541 | 2,758 | → |
| Meadowdale | Census-Designated Place | Snohomish | 2,346 | 2,911 | 2,826 | 3,148 | → |
| Medical Lake | City | Spokane | 3,661 | 3,841 | 5,060 | 4,881 | → |
| Medina | City | King | 3,011 | 2,989 | 2,971 | 2,914 | → |
| Mercer Island | City | King | 20,816 | 22,034 | 22,699 | 25,754 | → |
| Mesa | City | Franklin | 248 | 425 | 495 | 386 | → |
| Metaline | Town | Pend Oreille | 198 | 162 | 173 | 160 | → |
| Metaline Falls | Town | Pend Oreille | 209 | 227 | 238 | 273 | → |
| Methow | Census-Designated Place | Okanogan | 81 | 92 | 68 | 92 | → |
| Midland | Census-Designated Place | Pierce | 5,958 | 7,414 | 8,962 | 9,962 | → |
| Mill Creek | City | Snohomish | 9,640 | 14,001 | 18,230 | 20,934 | → |
| Mill Creek East | Census-Designated Place | Snohomish | 9,294 | 10,299 | 15,709 | 24,912 | → |
| Millwood | City | Spokane | 1,677 | 1,649 | 1,786 | 1,879 | → |
| Milton | City | Pierce / King | 4,612 | 7,031 | 7,268 | 8,699 | → |
| Mineral | Census-Designated Place | Lewis | 78 | 182 | 202 | 193 | → |
| Minnehaha | Census-Designated Place | Clark | 6,402 | 7,689 | 9,771 | 11,871 | → |
| Mirrormont | Census-Designated Place | King | 3,364 | 3,804 | 3,659 | 3,858 | → |
| Moclips | Census-Designated Place | Grays Harbor | 253 | 255 | 207 | 211 | → |
| Monroe | City | Snohomish | 7,048 | 13,938 | 17,350 | 19,818 | → |
| Monroe North | Census-Designated Place | Snohomish | 1,148 | 1,819 | 1,666 | 1,796 | → |
| Montesano | City | Grays Harbor | 3,256 | 3,494 | 3,981 | 4,151 | → |
| Morton | City | Lewis | 1,182 | 987 | 1,125 | 1,035 | → |
| Moses Lake | City | Grant | 11,956 | 15,281 | 20,340 | 25,355 | → |
| Moses Lake North | Census-Designated Place | Grant | 3,342 | 4,232 | 4,418 | 4,050 | → |
| Mossyrock | City | Lewis | 542 | 687 | 760 | 769 | → |
| Mount Vernon | City | Skagit | 18,310 | 26,683 | 31,722 | 35,234 | → |
| Mount Vista | Census-Designated Place | Clark | 3,441 | 5,770 | 7,850 | 10,051 | → |
| Mountlake Terrace | City | Snohomish | 19,451 | 20,394 | 19,882 | 21,290 | → |
| Moxee | City | Yakima | 952 | 1,052 | 3,459 | 4,323 | → |
| Mukilteo | City | Snohomish | 11,417 | 18,005 | 20,245 | 21,526 | → |
| Naches | Town | Yakima | 530 | 718 | 826 | 1,080 | → |
| Napavine | City | Lewis | 843 | 1,497 | 1,792 | 1,894 | → |
| Naselle | Census-Designated Place | Pacific | 179 | 377 | 419 | 421 | → |
| Navy Yard City | Census-Designated Place | Kitsap | 2,292 | 2,638 | 2,477 | 2,759 | → |
| Neah Bay | Census-Designated Place | Clallam | 916 | 794 | 865 | 935 | → |
| Neilton | Census-Designated Place | Grays Harbor | 63 | 345 | 315 | 299 | → |
| Nespelem | Town | Okanogan | 187 | 221 | 232 | 180 | → |
| Nespelem Community | Census-Designated Place | Okanogan | 291 | 290 | 253 | 283 | → |
| Newcastle | City | King | 4,876 | 7,950 | 10,366 | 13,009 | → |
| Newport | City | Pend Oreille | 1,581 | 1,747 | 2,163 | 2,133 | → |
| Nile | Census-Designated Place | Yakima | 138 | 153 | 172 | 146 | → |
| Nisqually Indian Community | Census-Designated Place | Thurston | 597 | 623 | 575 | 668 | → |
| Nooksack | City | Whatcom | 598 | 863 | 1,330 | 1,490 | → |
| Normandy Park | City | King | 6,710 | 6,371 | 6,338 | 6,770 | → |
| North Bend | City | King | 3,361 | 5,779 | 5,839 | 7,461 | → |
| North Bonneville | City | Skamania | 411 | 596 | 958 | 1,398 | → |
| North Fort Lewis | Census-Designated Place | Pierce | 3,254 | 2,623 | 2,699 | 5,978 | → |
| North Lynnwood | Census-Designated Place | Snohomish | 7,737 | 11,301 | 16,574 | 22,802 | → |
| North Omak | Census-Designated Place | Okanogan | 515 | 688 | 688 | 651 | → |
| North Puyallup | Census-Designated Place | Pierce | 1,657 | 1,701 | 1,743 | 1,837 | → |
| North Sultan | Census-Designated Place | Snohomish | 256 | 305 | 264 | 256 | → |
| North Yelm | Census-Designated Place | Thurston | 1,978 | 2,793 | 2,906 | 3,140 | → |
| Northport | Town | Stevens | 308 | 348 | 299 | 289 | → |
| Northwest Stanwood | Census-Designated Place | Snohomish | 154 | 122 | 149 | 137 | → |
| Oak Harbor | City | Island | 18,429 | 19,659 | 22,154 | 24,622 | → |
| Oakesdale | Town | Whitman | 346 | 420 | 422 | 397 | → |
| Oakville | City | Grays Harbor | 469 | 698 | 688 | 720 | → |
| Ocean City | Census-Designated Place | Grays Harbor | 240 | 217 | 200 | 232 | → |
| Ocean Park | Census-Designated Place | Pacific | 1,409 | 1,459 | 1,573 | 1,814 | → |
| Ocean Shores | City | Grays Harbor | 2,301 | 3,836 | 5,571 | 6,713 | → |
| Ocosta | Census-Designated Place | Grays Harbor | 217 | 279 | 228 | 502 | → |
| Odessa | Town | Lincoln | 928 | 964 | 914 | 897 | → |
| Okanogan | City | Okanogan | 2,390 | 2,486 | 2,609 | 2,372 | → |
| Olympia | City | Thurston | 33,957 | 43,009 | 46,897 | 55,367 | → |
| Omak | City | Okanogan | 4,177 | 4,818 | 4,794 | 4,860 | → |
| Onalaska | Census-Designated Place | Lewis | 366 | 364 | 621 | 657 | → |
| Orchards | Census-Designated Place | Clark | 6,474 | 16,243 | 19,556 | 27,729 | → |
| Orient | Census-Designated Place | Ferry | 68 | 44 | 115 | 75 | → |
| Oroville | City | Okanogan | 1,522 | 1,791 | 1,709 | 1,813 | → |
| Orting | City | Pierce | 2,161 | 3,933 | 6,737 | 9,041 | → |
| Oso | Census-Designated Place | Snohomish | 127 | 145 | 180 | 172 | → |
| Othello | City | Adams | 4,638 | 5,841 | 7,339 | 8,548 | → |
| Otis Orchards-East Farms | Census-Designated Place | Spokane | 5,811 | 6,318 | 6,220 | 6,299 | → |
| Outlook | Census-Designated Place | Yakima | 184 | 224 | 292 | 317 | → |
| Oyehut | Census-Designated Place | Grays Harbor | ... | ... | 85 | 79 | → |
| Pacific | City | King / Pierce | 4,556 | 5,113 | 6,605 | 7,240 | → |
| Pacific Beach | Census-Designated Place | Grays Harbor | 321 | 341 | 291 | 280 | → |
| Packwood | Census-Designated Place | Lewis | 426 | 366 | 342 | 319 | → |
| Palouse | City | Whitman | 933 | 1,007 | 998 | 1,020 | → |
| Parker | Census-Designated Place | Yakima | 222 | 325 | 154 | 158 | → |
| Parkland | Census-Designated Place | Pierce | 26,487 | 31,824 | 35,803 | 38,623 | → |
| Parkwood | Census-Designated Place | Kitsap | 6,853 | 7,213 | 7,126 | 7,635 | → |
| Pasco | City | Franklin | 26,802 | 35,558 | 62,161 | 77,345 | → |
| Pataha | Census-Designated Place | Garfield | 25 | 59 | 70 | 106 | → |
| Pateros | City | Okanogan | 562 | 634 | 678 | 593 | → |
| Pe Ell | Town | Lewis | 547 | 645 | 630 | 644 | → |
| Peaceful Valley | Census-Designated Place | Whatcom | 175 | 1,644 | 2,597 | 3,015 | → |
| Picnic Point | Census-Designated Place | Snohomish | 6,898 | 8,446 | 8,809 | 9,768 | → |
| Pine Grove | Census-Designated Place | Ferry | ... | 52 | 145 | 129 | → |
| Point Roberts | Census-Designated Place | Whatcom | 923 | 1,308 | 1,314 | 1,191 | → |
| Pomeroy | City | Garfield | 1,394 | 1,522 | 1,430 | 1,398 | → |
| Port Angeles | City | Clallam | 17,894 | 18,405 | 19,038 | 19,958 | → |
| Port Angeles East | Census-Designated Place | Clallam | 3,175 | 3,053 | 3,036 | 3,159 | → |
| Port Gamble Tribal Community | Census-Designated Place | Kitsap | 719 | 879 | 916 | 1,010 | → |
| Port Hadlock-Irondale | Census-Designated Place | Jefferson | 2,944 | 3,476 | 3,580 | 3,983 | → |
| Port Ludlow | Census-Designated Place | Jefferson | 844 | 1,968 | 2,603 | 2,959 | → |
| Port Orchard | City | Kitsap | 7,328 | 11,616 | 13,385 | 15,596 | → |
| Port Townsend | City | Jefferson | 7,022 | 8,308 | 9,110 | 10,145 | → |
| Porter | Census-Designated Place | Grays Harbor | 172 | 169 | 207 | 204 | → |
| Poulsbo | City | Kitsap | 5,802 | 7,545 | 9,243 | 11,967 | → |
| Prairie Heights | Census-Designated Place | Pierce | 2,514 | 4,796 | 4,405 | 4,561 | → |
| Prairie Ridge | Census-Designated Place | Pierce | 6,514 | 11,688 | 11,464 | 12,288 | → |
| Prescott | City | Walla Walla | 267 | 338 | 306 | 371 | → |
| Prosser | City | Benton | 4,476 | 4,830 | 5,748 | 6,137 | → |
| Puget Island | Census-Designated Place | Wahkiakum | 712 | 798 | 831 | 922 | → |
| Pullman | City | Whitman | 23,541 | 24,982 | 29,820 | 32,905 | → |
| Purdy | Census-Designated Place | Pierce | 897 | 1,513 | 1,544 | 1,668 | → |
| Puyallup | City | Pierce | 27,100 | 34,191 | 37,244 | 42,977 | → |
| Queets | Census-Designated Place | Grays Harbor / Jefferson | 169 | 184 | 174 | 136 | → |
| Qui-nai-elt Village | Census-Designated Place | Grays Harbor | ... | ... | 54 | 320 | → |
| Quilcene | Census-Designated Place | Jefferson | 592 | 591 | 596 | 598 | → |
| Quincy | City | Grant | 3,771 | 5,063 | 6,763 | 7,545 | → |
| Raft Island | Census-Designated Place | Pierce | 422 | 489 | 459 | 490 | → |
| Rainier | City | Thurston | 988 | 1,505 | 1,789 | 2,366 | → |
| Ravensdale | Census-Designated Place | King | 139 | 133 | 404 | 555 | → |
| Raymond | City | Pacific | 3,073 | 2,968 | 2,878 | 3,083 | → |
| Reardan | Town | Lincoln | 482 | 612 | 571 | 646 | → |
| Redmond | City | King | 36,266 | 45,580 | 54,511 | 73,269 | → |
| Renton | City | King | 61,479 | 72,775 | 91,929 | 106,849 | → |
| Republic | City | Ferry | 933 | 967 | 1,066 | 981 | → |
| Richland | City | Benton | 32,938 | 38,687 | 48,491 | 60,575 | → |
| Ridgefield | City | Clark | 1,934 | 2,324 | 4,781 | 10,363 | → |
| Ritzville | City | Adams | 1,735 | 1,750 | 1,684 | 1,749 | → |
| River Road | Census-Designated Place | Clallam | ... | 403 | 489 | 495 | → |
| Riverbend | Census-Designated Place | King | 2,106 | 2,230 | 2,132 | 2,123 | → |
| Riverpoint (Tanner) | Census-Designated Place | King | 126 | 292 | 731 | 774 | → |
| Riverside | Town | Okanogan | 209 | 353 | 280 | 324 | → |
| Roche Harbor | Census-Designated Place | San Juan | 360 | 551 | 648 | 662 | → |
| Rochester | Census-Designated Place | Thurston | 2,716 | 3,986 | 5,484 | 6,064 | → |
| Rock Island | City | Douglas | 666 | 944 | 1,006 | 1,275 | → |
| Rockford | Town | Spokane | 480 | 415 | 473 | 523 | → |
| Rockport | Census-Designated Place | Skagit | 114 | 102 | 109 | 90 | → |
| Rocky Point | Census-Designated Place | Kitsap | 1,369 | 1,404 | 1,564 | 1,615 | → |
| Ronald | Census-Designated Place | Kittitas | 137 | 265 | 308 | 439 | → |
| Roosevelt | Census-Designated Place | Klickitat | 43 | 79 | 156 | 152 | → |
| Rosalia | Town | Whitman | 552 | 650 | 549 | 595 | → |
| Rosburg | Census-Designated Place | Wahkiakum | 249 | 358 | 317 | 340 | → |
| Rosedale | Census-Designated Place | Pierce | 2,266 | 3,087 | 4,044 | 4,357 | → |
| Roslyn | City | Kittitas | 872 | 1,002 | 890 | 955 | → |
| Roy | City | Pierce | 384 | 790 | 780 | 822 | → |
| Royal City | City | Grant | 1,104 | 1,830 | 2,140 | 1,778 | → |
| Ruston | City | Pierce | 694 | 738 | 749 | 1,055 | → |
| Ryderwood | Census-Designated Place | Cowlitz | 190 | 322 | 395 | 383 | → |
| Salmon Creek | Census-Designated Place | Clark | 13,022 | 16,767 | 19,686 | 21,293 | → |
| Sammamish (incl. Klahanie) | City | King | 26,182 | 45,374 | 57,447 | 67,458 | → |
| Santiago | Census-Designated Place | Grays Harbor | 23 | 73 | 42 | 52 | → |
| Satsop | Census-Designated Place | Grays Harbor | 679 | 619 | 675 | 696 | → |
| Schwana | Census-Designated Place | Grant | 56 | 154 | 162 | 215 | → |
| Seabeck | Census-Designated Place | Kitsap | 631 | 987 | 1,105 | 1,143 | → |
| SeaTac | City | King | 22,904 | 25,548 | 26,903 | 31,439 | → |
| Seattle | City | King | 516,262 | 563,204 | 608,660 | 737,020 | → |
| Sedro-Woolley | City | Skagit | 6,512 | 8,888 | 11,062 | 12,430 | → |
| Sekiu | Census-Designated Place | Clallam | 14 | 24 | 27 | 24 | → |
| Selah | City | Yakima | 5,236 | 6,310 | 7,331 | 8,178 | → |
| Sequim | City | Clallam | 4,156 | 4,579 | 6,573 | 8,031 | → |
| Shadow Lake | Census-Designated Place | King | 2,002 | 2,230 | 2,262 | 2,396 | → |
| Shelton | City | Mason | 7,440 | 8,522 | 9,845 | 10,371 | → |
| Shoreline | City | King | 51,970 | 53,014 | 53,031 | 58,609 | → |
| Silvana | Census-Designated Place | Snohomish | 126 | 97 | 90 | 97 | → |
| Silver Firs | Census-Designated Place | Snohomish | 6,075 | 13,825 | 20,891 | 22,174 | → |
| Silverdale | Census-Designated Place | Kitsap | 12,066 | 19,722 | 19,204 | 20,733 | → |
| Sisco Heights (incl. North Marysville) | Census-Designated Place | Snohomish | 2,293 | 3,940 | 2,804 | 3,140 | → |
| Skamokawa Valley | Census-Designated Place | Wahkiakum | 306 | 382 | 401 | 487 | → |
| Skokomish | Census-Designated Place | Mason | 532 | 616 | 617 | 615 | → |
| Skykomish | Town | King | 267 | 234 | 197 | 162 | → |
| Snohomish | City | Snohomish | 7,345 | 9,301 | 9,145 | 10,123 | → |
| Snoqualmie | City | King | 1,894 | 1,615 | 10,665 | 14,106 | → |
| Snoqualmie Pass | Census-Designated Place | Kittitas | ... | 201 | 311 | 372 | → |
| Soap Lake | City | Grant | 1,221 | 1,722 | 1,543 | 1,698 | → |
| South Bend | City | Pacific | 1,617 | 1,827 | 1,633 | 1,744 | → |
| South Cle Elum | Town | Kittitas | 448 | 500 | 530 | 560 | → |
| South Creek | Census-Designated Place | Pierce | 1,741 | 2,163 | 2,507 | 2,519 | → |
| South Hill | Census-Designated Place | Pierce | 25,858 | 37,049 | 52,431 | 64,708 | → |
| South Prairie | Town | Pierce | 210 | 347 | 427 | 373 | → |
| South Wenatchee | Census-Designated Place | Chelan | 765 | 1,259 | 1,553 | 1,522 | → |
| Southworth | Census-Designated Place | Kitsap | 1,719 | 2,100 | 2,185 | 2,362 | → |
| Spanaway | Census-Designated Place | Pierce | 18,571 | 21,588 | 27,227 | 35,476 | → |
| Spangle | City | Spokane | 230 | 245 | 278 | 280 | → |
| Spokane | City | Spokane | 178,096 | 196,588 | 209,459 | 228,973 | → |
| Spokane Valley | City | Spokane | 68,119 | 76,730 | 89,746 | 103,094 | → |
| Sprague | City | Lincoln | 410 | 490 | 446 | 501 | → |
| Springdale | Town | Stevens | 260 | 302 | 281 | 236 | → |
| St. John | Town | Whitman | 501 | 544 | 543 | 600 | → |
| Stansberry Lake | Census-Designated Place | Pierce | 1,477 | 2,058 | 2,101 | 2,087 | → |
| Stanwood | City | Snohomish | 2,421 | 4,211 | 6,237 | 7,725 | → |
| Starbuck | Town | Columbia | 163 | 117 | 126 | 119 | → |
| Startup | Census-Designated Place | Snohomish | 627 | 817 | 676 | 859 | → |
| Steilacoom | Town | Pierce | 5,732 | 6,409 | 5,992 | 6,731 | → |
| Steptoe | Census-Designated Place | Whitman | 56 | 65 | 180 | 160 | → |
| Stevenson | City | Skamania | 1,169 | 1,323 | 1,475 | 1,485 | → |
| Sudden Valley | Census-Designated Place | Whatcom | 2,578 | 4,028 | 6,079 | 6,354 | → |
| Sultan | City | Snohomish | 2,367 | 3,316 | 4,652 | 5,165 | → |
| Sumas | City | Whatcom | 769 | 991 | 1,312 | 1,584 | → |
| Summit | Census-Designated Place | Pierce | 6,312 | 8,041 | 7,985 | 8,270 | → |
| Summit View | Census-Designated Place | Pierce | 2,064 | 4,065 | 7,236 | 9,758 | → |
| Summitview | Census-Designated Place | Yakima | 1,151 | 1,513 | 1,721 | 2,066 | → |
| Sumner | City | Pierce | 7,807 | 8,537 | 9,447 | 10,627 | → |
| Suncrest | Census-Designated Place | Stevens | 2,830 | 4,089 | 5,127 | 5,413 | → |
| Sunday Lake | Census-Designated Place | Snohomish | 541 | 731 | 883 | 1,184 | → |
| Sunland Estates | Census-Designated Place | Grant | 56 | 90 | 94 | 179 | → |
| Sunnyside | City | Yakima | 11,569 | 14,121 | 15,926 | 16,384 | → |
| Sunnyslope | Census-Designated Place | Chelan | 1,809 | 2,521 | 3,252 | 4,041 | → |
| Suquamish | Census-Designated Place | Kitsap | 3,105 | 3,510 | 4,140 | 4,266 | → |
| Swede Heaven | Census-Designated Place | Snohomish | 556 | 662 | 768 | 839 | → |
| Tacoma | City | Pierce | 177,245 | 193,338 | 198,338 | 219,210 | → |
| Taholah | Census-Designated Place | Grays Harbor | 788 | 824 | 840 | 776 | → |
| Tampico | Census-Designated Place | Yakima | 268 | 302 | 312 | 467 | → |
| Tanglewilde | Census-Designated Place | Thurston | 5,376 | 5,670 | 5,892 | 6,265 | → |
| Tehaleh | Census-Designated Place | Pierce | 337 | 380 | 504 | 5,784 | → |
| Tekoa | City | Whitman | 756 | 826 | 781 | 819 | → |
| Tenino | City | Thurston | 1,291 | 1,499 | 1,687 | 1,873 | → |
| Terrace Heights | Census-Designated Place | Yakima | 5,375 | 6,759 | 7,326 | 9,244 | → |
| Thorp | Census-Designated Place | Kittitas | 230 | 273 | 240 | 232 | → |
| Three Lakes | Census-Designated Place | Snohomish | 2,322 | 2,683 | 3,184 | 3,941 | → |
| Tieton | City | Yakima | 748 | 1,180 | 1,182 | 1,387 | → |
| Tokeland | Census-Designated Place | Pacific | 75 | 194 | 151 | 158 | → |
| Toledo | City | Lewis | 516 | 642 | 721 | 632 | → |
| Tonasket | City | Okanogan | 908 | 1,117 | 1,145 | 1,102 | → |
| Toppenish | City | Yakima | 7,425 | 8,910 | 8,953 | 8,849 | → |
| Torboy | Census-Designated Place | Ferry | 12 | 46 | 49 | 43 | → |
| Touchet | Census-Designated Place | Walla Walla | 288 | 396 | 421 | 425 | → |
| Town and Country | Census-Designated Place | Spokane | 4,624 | 4,452 | 4,857 | 5,068 | → |
| Tracyton | Census-Designated Place | Kitsap | 3,102 | 4,323 | 5,233 | 5,967 | → |
| Trout Lake | Census-Designated Place | Klickitat | 221 | 494 | 557 | 672 | → |
| Tukwila | City | King | 15,666 | 17,141 | 19,103 | 21,780 | → |
| Tumwater | City | Thurston | 13,952 | 17,302 | 20,135 | 26,044 | → |
| Twin Lakes | Census-Designated Place | Ferry | 29 | 87 | 59 | 99 | → |
| Twisp | Town | Okanogan | 895 | 950 | 901 | 995 | → |
| Union | Census-Designated Place | Mason | 418 | 482 | 631 | 683 | → |
| Union Gap | City | Yakima | 5,104 | 5,621 | 6,113 | 6,568 | → |
| Union Hill-Novelty Hill | Census-Designated Place | King | 7,534 | 11,265 | 18,805 | 22,683 | → |
| Uniontown | Town | Whitman | 279 | 345 | 294 | 392 | → |
| University Place | City | Pierce | 26,856 | 30,049 | 31,133 | 34,872 | → |
| Upper Elochoman | Census-Designated Place | Wahkiakum | 119 | 142 | 193 | 178 | → |
| Vader | City | Lewis | 414 | 592 | 621 | 618 | → |
| Valley | Census-Designated Place | Stevens | ... | ... | 146 | 149 | → |
| Vancouver | City | Clark | 107,427 | 149,954 | 167,167 | 190,887 | → |
| Vantage | Census-Designated Place | Kittitas | 66 | 70 | 74 | 54 | → |
| Vashon | Census-Designated Place | King | 9,309 | 10,123 | 10,624 | 11,055 | → |
| Vaughn | Census-Designated Place | Pierce | 385 | 464 | 544 | 565 | → |
| Venersborg | Census-Designated Place | Clark | 2,334 | 3,274 | 3,745 | 3,990 | → |
| Verlot | Census-Designated Place | Snohomish | 227 | 284 | 285 | 340 | → |
| Waitsburg | City | Walla Walla | 995 | 1,231 | 1,213 | 1,162 | → |
| Walla Walla | City | Walla Walla | 27,158 | 30,731 | 32,461 | 34,275 | → |
| Walla Walla East | Census-Designated Place | Walla Walla | 2,027 | 1,550 | 1,837 | 2,286 | → |
| Waller | Census-Designated Place | Pierce | 7,081 | 7,714 | 7,922 | 8,189 | → |
| Wallula | Census-Designated Place | Walla Walla | 104 | 197 | 179 | 140 | → |
| Wapato | City | Yakima | 3,771 | 4,587 | 5,014 | 4,607 | → |
| Warden | City | Grant | 1,639 | 2,556 | 2,692 | 2,448 | → |
| Warm Beach | Census-Designated Place | Snohomish | 1,160 | 2,156 | 2,791 | 2,990 | → |
| Washougal | City | Clark | 6,506 | 8,954 | 14,149 | 17,046 | → |
| Washtucna | Town | Adams | 231 | 257 | 208 | 206 | → |
| Waterville | Town | Douglas | 995 | 1,165 | 1,138 | 1,133 | → |
| Wauna | Census-Designated Place | Pierce | 3,166 | 3,877 | 4,186 | 4,421 | → |
| Waverly | Town | Spokane | 101 | 121 | 106 | 122 | → |
| Wenatchee | City | Chelan | 23,491 | 29,604 | 32,821 | 35,626 | → |
| West Clarkston-Highland | Census-Designated Place | Asotin | 4,043 | 4,707 | 5,261 | 5,488 | → |
| West Pasco | Census-Designated Place | Franklin | 1,074 | 1,132 | 1,458 | 1,747 | → |
| West Richland | City | Benton | 3,994 | 8,315 | 11,833 | 16,300 | → |
| Westport | City | Grays Harbor | 1,900 | 2,145 | 2,077 | 2,216 | → |
| Wheeler | Census-Designated Place | Grant | 21 | 71 | 56 | 74 | → |
| Whidbey Island Station | Census-Designated Place | Island | 3,769 | 2,025 | 1,541 | 1,671 | → |
| White Center | Census-Designated Place | King | 12,627 | 14,278 | 13,495 | 16,631 | → |
| White Salmon | City | Klickitat | 2,093 | 2,293 | 2,345 | 2,490 | → |
| White Swan | Census-Designated Place | Yakima | 320 | 868 | 793 | 789 | → |
| Wilbur | Town | Lincoln | 863 | 935 | 871 | 894 | → |
| Wilderness Rim | Census-Designated Place | King | 887 | 1,198 | 1,523 | 1,617 | → |
| Wilkeson | Town | Pierce | 361 | 406 | 482 | 497 | → |
| Willapa | Census-Designated Place | Pacific | 92 | 196 | 210 | 208 | → |
| Wilson Creek | Town | Grant | 169 | 237 | 205 | 207 | → |
| Winlock | City | Lewis | 1,217 | 1,357 | 1,639 | 1,818 | → |
| Winthrop | Town | Okanogan | 322 | 348 | 403 | 501 | → |
| Wishram | Census-Designated Place | Klickitat | 266 | 324 | 342 | 366 | → |
| Wollochet | Census-Designated Place | Pierce | 4,322 | 5,987 | 6,651 | 6,769 | → |
| Woodinville | City | King | 7,238 | 9,819 | 10,945 | 13,064 | → |
| Woodland | City | Cowlitz / Clark | 2,651 | 3,886 | 5,542 | 6,529 | → |
| Woods Creek | Census-Designated Place | Snohomish | 3,746 | 4,502 | 5,589 | 6,017 | → |
| Woodway | City | Snohomish | 919 | 943 | 1,307 | 1,315 | → |
| Yacolt | Town | Clark | 600 | 1,048 | 1,576 | 1,671 | → |
| Yakima | City | Yakima | 72,808 | 83,415 | 91,285 | 96,992 | → |
| Yarrow Point | Town | King | 966 | 1,008 | 1,001 | 1,134 | → |
| Yelm | City | Thurston | 1,906 | 3,234 | 6,849 | 10,658 | → |
| Zillah | City | Yakima | 1,917 | 2,256 | 3,020 | 3,173 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.