USA: Washington
Counties
The population of all counties in the State of Washington according to census results and latest official estimates.
| Name | Status | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Estimate 2019-07-01 | |
|---|---|---|---|---|---|
| Adams | County | 16,426 | 18,731 | 19,983 | → |
| Asotin | County | 20,553 | 21,623 | 22,582 | → |
| Benton | County | 142,473 | 175,168 | 204,390 | → |
| Chelan | County | 66,611 | 72,460 | 77,200 | → |
| Clallam | County | 64,183 | 71,396 | 77,331 | → |
| Clark | County | 345,235 | 425,360 | 488,241 | → |
| Columbia | County | 4,064 | 4,078 | 3,985 | → |
| Cowlitz | County | 92,945 | 102,408 | 110,593 | → |
| Douglas | County | 32,589 | 38,427 | 43,429 | → |
| Ferry | County | 7,262 | 7,554 | 7,627 | → |
| Franklin | County | 49,378 | 78,160 | 95,222 | → |
| Garfield | County | 2,397 | 2,266 | 2,225 | → |
| Grant | County | 74,714 | 89,124 | 97,733 | → |
| Grays Harbor | County | 67,141 | 72,800 | 75,061 | → |
| Island | County | 71,571 | 78,508 | 85,141 | → |
| Jefferson | County | 26,301 | 29,880 | 32,221 | → |
| King | County | 1,737,075 | 1,931,287 | 2,252,782 | → |
| Kitsap | County | 231,982 | 251,143 | 271,473 | → |
| Kittitas | County | 33,369 | 40,910 | 47,935 | → |
| Klickitat | County | 19,170 | 20,317 | 22,425 | → |
| Lewis | County | 68,585 | 75,457 | 80,707 | → |
| Lincoln | County | 10,173 | 10,570 | 10,939 | → |
| Mason | County | 49,443 | 60,689 | 66,768 | → |
| Okanogan | County | 39,567 | 41,117 | 42,243 | → |
| Pacific | County | 20,979 | 20,919 | 22,471 | → |
| Pend Oreille | County | 11,706 | 13,001 | 13,724 | → |
| Pierce | County | 700,816 | 795,222 | 904,980 | → |
| San Juan | County | 14,052 | 15,768 | 17,582 | → |
| Skagit | County | 103,017 | 116,892 | 129,205 | → |
| Skamania | County | 9,876 | 11,070 | 12,083 | → |
| Snohomish | County | 606,043 | 713,299 | 822,083 | → |
| Spokane | County | 417,968 | 471,220 | 522,798 | → |
| Stevens | County | 40,082 | 43,532 | 45,723 | → |
| Thurston | County | 207,392 | 252,260 | 290,536 | → |
| Wahkiakum | County | 3,824 | 3,979 | 4,488 | → |
| Walla Walla | County | 55,177 | 58,781 | 60,760 | → |
| Whatcom | County | 166,822 | 201,146 | 229,247 | → |
| Whitman | County | 40,742 | 44,778 | 50,104 | → |
| Yakima | County | 222,578 | 243,240 | 250,873 | → |
| Washington | State | 5,894,281 | 6,724,540 | 7,614,893 |
Contents: Incorporated Places
The population of all incorporated places in the State of Washington according to census results and latest official estimates.
| Name | Status | County | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Estimate 2019-07-01 | |
|---|---|---|---|---|---|---|
| Aberdeen | City | Grays Harbor | 16,511 | 16,872 | 16,756 | → |
| Airway Heights | City | Spokane | ... | 7,541 | 9,485 | → |
| Albion | Town | Whitman | 607 | 590 | 604 | → |
| Algona | City | King | 2,436 | 3,014 | 3,208 | → |
| Almira | Town | Lincoln | 305 | 284 | 280 | → |
| Anacortes | City | Skagit | 14,500 | 15,768 | 17,527 | → |
| Arlington | City | Snohomish | 12,339 | 17,959 | 20,523 | → |
| Asotin | City | Asotin | 1,117 | 1,245 | 1,289 | → |
| Auburn | City | King / Pierce | 55,312 | 70,301 | 81,464 | → |
| Bainbridge Island | City | Kitsap | 20,311 | 23,025 | 25,298 | → |
| Battle Ground | City | Clark | 9,923 | 17,794 | 21,252 | → |
| Beaux Arts Village | Town | King | 287 | 299 | 324 | → |
| Bellevue | City | King | 112,380 | 127,885 | 148,164 | → |
| Bellingham | City | Whatcom | 68,085 | 81,205 | 92,314 | → |
| Benton City | City | Benton | 2,624 | 3,033 | 3,495 | → |
| Bingen | City | Klickitat | 682 | 712 | 742 | → |
| Black Diamond | City | King | 3,964 | 4,133 | 4,781 | → |
| Blaine | City | Whatcom | 3,780 | 4,694 | 5,607 | → |
| Bonney Lake | City | Pierce | 11,683 | 17,592 | 21,148 | → |
| Bothell | City | King / Snohomish | ... | 39,851 | 47,415 | → |
| Bremerton | City | Kitsap | 37,321 | 37,865 | 41,405 | → |
| Brewster | City | Okanogan | 2,289 | 2,368 | 2,357 | → |
| Bridgeport | City | Douglas | 2,049 | 2,410 | 2,613 | → |
| Brier | City | Snohomish | 6,319 | 6,243 | 6,970 | → |
| Buckley | City | Pierce | 4,087 | 4,344 | 5,058 | → |
| Bucoda | Town | Thurston | 630 | 562 | 592 | → |
| Burien | City | King | ... | 48,081 | 51,500 | → |
| Burlington | City | Skagit | 6,835 | 8,377 | 9,224 | → |
| Camas | City | Clark | 12,841 | 19,813 | 24,418 | → |
| Carbonado | Town | Pierce | 648 | 608 | 735 | → |
| Carnation | City | King | 1,914 | 1,786 | 2,282 | → |
| Cashmere | City | Chelan | 2,972 | 3,113 | 3,172 | → |
| Castle Rock | City | Cowlitz | ... | 2,113 | 2,298 | → |
| Cathlamet | Town | Wahkiakum | 563 | 532 | 572 | → |
| Centralia | City | Lewis | 14,826 | 16,658 | 17,745 | → |
| Chehalis | City | Lewis | 7,021 | 7,259 | 7,654 | → |
| Chelan | City | Chelan | 3,803 | 3,894 | 4,237 | → |
| Cheney | City | Spokane | 8,831 | 10,592 | 12,522 | → |
| Chewelah | City | Stevens | 2,221 | 2,599 | 2,676 | → |
| Clarkston | City | Asotin | 7,279 | 7,238 | 7,375 | → |
| Cle Elum | City | Kittitas | 1,748 | 1,869 | 2,037 | → |
| Clyde Hill | City | King | 2,892 | 2,988 | 3,386 | → |
| Colfax | City | Whitman | 2,885 | 2,795 | 2,872 | → |
| College Place | City | Walla Walla | 7,801 | 8,792 | 9,317 | → |
| Colton | Town | Whitman | 385 | 429 | 458 | → |
| Colville | City | Stevens | 4,951 | 4,727 | 4,832 | → |
| Conconully | Town | Okanogan | 213 | 201 | 208 | → |
| Concrete | Town | Skagit | 797 | 705 | 738 | → |
| Connell | City | Franklin | 3,021 | 4,210 | 5,545 | → |
| Cosmopolis | City | Grays Harbor | 1,557 | 1,647 | 1,662 | → |
| Coulee City | Town | Grant | 598 | 560 | 564 | → |
| Coulee Dam | Town | Douglas / Grant / Okanogan | 1,053 | 1,098 | 1,080 | → |
| Coupeville | Town | Island | 1,747 | 1,833 | 1,972 | → |
| Covington | City | King | 14,183 | 17,565 | 21,175 | → |
| Creston | Town | Lincoln | 233 | 233 | 229 | → |
| Cusick | Town | Pend Oreille | 210 | 204 | 217 | → |
| Darrington | Town | Snohomish | 1,241 | 1,347 | 1,421 | → |
| Davenport | City | Lincoln | 1,743 | 1,734 | 1,744 | → |
| Dayton | City | Columbia | 2,671 | 2,535 | 2,442 | → |
| Deer Park | City | Spokane | 3,009 | 3,661 | 4,364 | → |
| Des Moines | City | King | 29,606 | 29,654 | 32,348 | → |
| DuPont | City | Pierce | 2,120 | 8,199 | 9,516 | → |
| Duvall | City | King | 4,676 | 6,713 | 8,107 | → |
| East Wenatchee | City | Douglas | 11,686 | 13,179 | 14,219 | → |
| Eatonville | Town | Pierce | 2,094 | 2,756 | 3,026 | → |
| Edgewood | City | Pierce | 9,123 | 9,379 | 13,053 | → |
| Edmonds | City | Snohomish | 39,431 | 39,695 | 42,605 | → |
| Electric City | City | Grant | 1,054 | 976 | 1,002 | → |
| Ellensburg | City | Kittitas | 15,501 | 18,301 | 21,111 | → |
| Elma | City | Grays Harbor | 3,109 | 3,301 | 3,351 | → |
| Elmer City | Town | Okanogan | 262 | 251 | 248 | → |
| Endicott | Town | Whitman | 343 | 299 | 305 | → |
| Entiat | City | Chelan | 1,024 | 1,111 | 1,280 | → |
| Enumclaw | City | King / Pierce | 11,121 | 11,090 | 12,190 | → |
| Ephrata | City | Grant | 6,822 | 7,679 | 8,136 | → |
| Everett | City | Snohomish | 95,617 | 102,953 | 111,475 | → |
| Everson | City | Whatcom | 2,005 | 2,464 | 2,841 | → |
| Fairfield | Town | Spokane | 498 | 614 | 626 | → |
| Farmington | Town | Whitman | 149 | 150 | 152 | → |
| Federal Way | City | King | 85,431 | 89,295 | 96,289 | → |
| Ferndale | City | Whatcom | 8,820 | 11,411 | 14,897 | → |
| Fife | City | Pierce | 4,891 | 9,178 | 10,184 | → |
| Fircrest | City | Pierce | 5,855 | 6,541 | 6,835 | → |
| Forks | City | Clallam | 3,258 | 3,549 | 3,880 | → |
| Friday Harbor | Town | San Juan | 2,008 | 2,176 | 2,562 | → |
| Garfield | Town | Whitman | 640 | 599 | 609 | → |
| George | City | Grant | 538 | 502 | 516 | → |
| Gig Harbor | City | Pierce | 6,704 | 7,133 | 10,717 | → |
| Gold Bar | City | Snohomish | 2,014 | 2,158 | 2,352 | → |
| Goldendale | City | Klickitat | 3,787 | 3,403 | 3,505 | → |
| Grand Coulee | City | Grant | 938 | 1,027 | 1,048 | → |
| Grandview | City | Yakima | 9,035 | 10,854 | 11,078 | → |
| Granger | City | Yakima | 2,640 | 3,258 | 3,830 | → |
| Granite Falls | City | Snohomish | 2,437 | 3,390 | 4,234 | → |
| Hamilton | Town | Skagit | 326 | 301 | 310 | → |
| Harrah | Town | Yakima | 501 | 624 | 640 | → |
| Harrington | City | Lincoln | 426 | 427 | 418 | → |
| Hartline | Town | Grant | 131 | 151 | 154 | → |
| Hatton | Town | Adams | 103 | 101 | 104 | → |
| Hoquiam | City | Grays Harbor | 9,120 | 8,733 | 8,655 | → |
| Hunts Point | Town | King | 456 | 396 | 435 | → |
| Ilwaco | City | Pacific | 955 | 941 | 991 | → |
| Index | Town | Snohomish | 160 | 176 | 211 | → |
| Ione | Town | Pend Oreille | 481 | 444 | 472 | → |
| Issaquah | City | King | 17,296 | 30,440 | 39,509 | → |
| Kahlotus | City | Franklin | 236 | 189 | 193 | → |
| Kalama | City | Cowlitz | 1,821 | 2,361 | 2,798 | → |
| Kelso | City | Cowlitz | 11,804 | 11,913 | 12,417 | → |
| Kenmore | City | King | 18,668 | 20,476 | 23,097 | → |
| Kennewick | City | Benton | 59,188 | 73,994 | 84,347 | → |
| Kent | City | King | ... | 118,620 | 132,319 | → |
| Kettle Falls | City | Stevens | 1,558 | 1,589 | 1,635 | → |
| Kirkland | City | King | ... | 80,585 | 93,010 | → |
| Kittitas | City | Kittitas | 1,107 | 1,358 | 1,497 | → |
| Krupp (Marlin) | Town | Grant | 60 | 48 | 52 | → |
| La Center | City | Clark | 1,747 | 2,941 | 3,404 | → |
| La Conner | Town | Skagit | 777 | 872 | 949 | → |
| Lacey | City | Thurston | 31,391 | 42,543 | 52,592 | → |
| LaCrosse | Town | Whitman | 380 | 313 | 319 | → |
| Lake Forest Park | City | King | 13,195 | 12,602 | 13,504 | → |
| Lake Stevens | City | Snohomish | 21,518 | 28,108 | 33,911 | → |
| Lakewood | City | Pierce | 59,348 | 57,532 | 61,037 | → |
| Lamont | Town | Whitman | 106 | 70 | 74 | → |
| Langley | City | Island | 966 | 1,015 | 1,140 | → |
| Latah | Town | Spokane | 150 | 180 | 187 | → |
| Leavenworth | City | Chelan | 2,072 | 1,972 | 2,029 | → |
| Liberty Lake | City | Spokane | 3,409 | 7,594 | 10,956 | → |
| Lind | Town | Adams | 570 | 562 | 563 | → |
| Long Beach | City | Pacific | 1,375 | 1,399 | 1,496 | → |
| Longview | City | Cowlitz | 35,364 | 36,833 | 38,440 | → |
| Lyman | Town | Skagit | 391 | 439 | 473 | → |
| Lynden | City | Whatcom | 9,522 | 12,006 | 15,223 | → |
| Lynnwood | City | Snohomish | 34,138 | 35,857 | 39,141 | → |
| Mabton | City | Yakima | 1,918 | 2,284 | 2,268 | → |
| Malden | Town | Whitman | 214 | 203 | 206 | → |
| Mansfield | Town | Douglas | 319 | 320 | 343 | → |
| Maple Valley | City | King | 14,284 | 22,722 | 27,202 | → |
| Marcus | Town | Stevens | 141 | 171 | 172 | → |
| Marysville | City | Snohomish | 47,847 | 60,013 | 70,298 | → |
| Mattawa | City | Grant | 2,556 | 4,459 | 4,758 | → |
| McCleary | City | Grays Harbor | 1,480 | 1,652 | 1,764 | → |
| Medical Lake | City | Spokane | 3,841 | 5,060 | 4,966 | → |
| Medina | City | King | 2,989 | 2,969 | 3,288 | → |
| Mercer Island | City | King | 22,034 | 22,699 | 25,894 | → |
| Mesa | City | Franklin | 425 | 495 | 508 | → |
| Metaline | Town | Pend Oreille | 162 | 173 | 183 | → |
| Metaline Falls | Town | Pend Oreille | 227 | 238 | 251 | → |
| Mill Creek | City | Snohomish | 14,001 | 18,230 | 20,897 | → |
| Millwood | City | Spokane | 1,649 | 1,786 | 1,800 | → |
| Milton | City | King / Pierce | 5,777 | 7,351 | 8,299 | → |
| Monroe | City | Snohomish | 13,938 | 17,345 | 19,776 | → |
| Montesano | City | Grays Harbor | 3,494 | 3,986 | 4,052 | → |
| Morton | City | Lewis | 1,048 | 1,125 | 1,199 | → |
| Moses Lake | City | Grant | 15,281 | 20,365 | 24,086 | → |
| Mossyrock | City | Lewis | 687 | 760 | 820 | → |
| Mount Vernon | City | Skagit | 26,683 | 31,724 | 36,006 | → |
| Mountlake Terrace | City | Snohomish | 20,394 | 19,882 | 21,338 | → |
| Moxee | City | Yakima | 974 | 3,459 | 4,104 | → |
| Mukilteo | City | Snohomish | 18,005 | 20,249 | 21,441 | → |
| Naches | Town | Yakima | 806 | 828 | 847 | → |
| Napavine | City | Lewis | 1,497 | 1,794 | 2,001 | → |
| Nespelem | Town | Okanogan | 221 | 232 | 392 | → |
| Newcastle | City | King | 7,950 | 10,368 | 12,292 | → |
| Newport | City | Pend Oreille | 1,952 | 2,157 | 2,199 | → |
| Nooksack | City | Whatcom | 863 | 1,330 | 1,631 | → |
| Normandy Park | City | King | 6,371 | 6,336 | 6,604 | → |
| North Bend | City | King | 5,779 | 5,850 | 7,423 | → |
| North Bonneville | City | Skamania | 596 | 958 | 1,007 | → |
| Northport | Town | Stevens | 348 | 299 | 301 | → |
| Oak Harbor | City | Island | 19,659 | 22,154 | 23,565 | → |
| Oakesdale | Town | Whitman | 420 | 422 | 439 | → |
| Oakville | City | Grays Harbor | 657 | 688 | 692 | → |
| Ocean Shores | City | Grays Harbor | 3,836 | 5,571 | 6,494 | → |
| Odessa | Town | Lincoln | 964 | 914 | 894 | → |
| Okanogan | City | Okanogan | 2,486 | 2,607 | 2,588 | → |
| Olympia | City | Thurston | 43,009 | 46,884 | 52,882 | → |
| Omak | City | Okanogan | 4,818 | 4,790 | 4,778 | → |
| Oroville | City | Okanogan | 1,700 | 1,709 | 1,675 | → |
| Orting | City | Pierce | 3,933 | 6,737 | 8,610 | → |
| Othello | City | Adams | 5,841 | 7,339 | 8,386 | → |
| Pacific | City | King / Pierce | 5,616 | 6,605 | 7,178 | → |
| Palouse | City | Whitman | 1,007 | 994 | 1,075 | → |
| Pasco | City | Franklin | 33,892 | 62,163 | 75,432 | → |
| Pateros | City | Okanogan | 634 | 678 | 714 | → |
| Pe Ell | Town | Lewis | 645 | 632 | 675 | → |
| Pomeroy | City | Garfield | 1,522 | 1,431 | 1,395 | → |
| Port Angeles | City | Clallam | 18,405 | 19,040 | 20,229 | → |
| Port Orchard | City | Kitsap | ... | 12,195 | 14,597 | → |
| Port Townsend | City | Jefferson | 8,308 | 9,112 | 9,831 | → |
| Poulsbo | City | Kitsap | 7,028 | 9,237 | 11,168 | → |
| Prescott | City | Walla Walla | 338 | 306 | 305 | → |
| Prosser | City | Benton | 4,830 | 5,748 | 6,380 | → |
| Pullman | City | Whitman | 24,982 | 29,820 | 34,506 | → |
| Puyallup | City | Pierce | 34,191 | 37,241 | 42,361 | → |
| Quincy | City | Grant | 5,063 | 6,758 | 8,033 | → |
| Rainier | City | Thurston | 1,505 | 1,787 | 2,287 | → |
| Raymond | City | Pacific | 2,968 | 2,869 | 2,994 | → |
| Reardan | Town | Lincoln | 612 | 571 | 610 | → |
| Redmond | City | King | 45,580 | 54,511 | 71,929 | → |
| Renton | City | King | 69,989 | 91,912 | 101,751 | → |
| Republic | City | Ferry | 967 | 1,066 | 1,066 | → |
| Richland | City | Benton | 38,687 | 48,491 | 58,225 | → |
| Ridgefield | City | Clark | 2,324 | 4,781 | 9,153 | → |
| Ritzville | City | Adams | 1,750 | 1,684 | 1,654 | → |
| Riverside | Town | Okanogan | 353 | 280 | 273 | → |
| Rock Island | City | Douglas | 861 | 875 | 1,124 | → |
| Rockford | Town | Spokane | 415 | 473 | 486 | → |
| Rosalia | Town | Whitman | 650 | 549 | 558 | → |
| Roslyn | City | Kittitas | 1,002 | 893 | 958 | → |
| Roy | City | Pierce | 790 | 780 | 822 | → |
| Royal City | City | Grant | 1,830 | 2,140 | 2,237 | → |
| Ruston | Town | Pierce | 738 | 749 | 845 | → |
| Sammamish | City | King | ... | 57,449 | 65,892 | → |
| SeaTac | City | King | 25,548 | 26,903 | 29,044 | → |
| Seattle | City | King | 563,204 | 608,661 | 753,675 | → |
| Sedro-Woolley | City | Skagit | 8,888 | 11,076 | 12,072 | → |
| Selah | City | Yakima | 6,310 | 7,347 | 8,087 | → |
| Sequim | City | Clallam | 4,579 | 6,573 | 7,640 | → |
| Shelton | City | Mason | 8,522 | 9,845 | 10,655 | → |
| Shoreline | City | King | 53,014 | 53,031 | 57,027 | → |
| Skykomish | Town | King | 234 | 197 | 220 | → |
| Snohomish | City | Snohomish | 8,913 | 9,145 | 10,154 | → |
| Snoqualmie | City | King | 2,032 | 10,665 | 13,622 | → |
| Soap Lake | City | Grant | 1,722 | 1,542 | 1,603 | → |
| South Bend | City | Pacific | 1,827 | 1,633 | 1,698 | → |
| South Cle Elum | Town | Kittitas | 500 | 530 | 559 | → |
| South Prairie | Town | Pierce | 485 | 427 | 443 | → |
| Spangle | City | Spokane | 245 | 278 | 319 | → |
| Spokane | City | Spokane | 196,588 | 209,455 | 222,081 | → |
| Spokane Valley | City | Spokane | 80,961 | 89,745 | 101,060 | → |
| Sprague | City | Lincoln | 490 | 446 | 460 | → |
| Springdale | Town | Stevens | 302 | 281 | 300 | → |
| St. John | Town | Whitman | 544 | 543 | 559 | → |
| Stanwood | City | Snohomish | 4,211 | 6,240 | 7,287 | → |
| Starbuck | Town | Columbia | 117 | 126 | 128 | → |
| Steilacoom | Town | Pierce | 6,409 | 5,992 | 6,390 | → |
| Stevenson | City | Skamania | 1,323 | 1,473 | 1,601 | → |
| Sultan | City | Snohomish | 3,316 | 4,650 | 5,388 | → |
| Sumas | City | Whatcom | 991 | 1,307 | 1,534 | → |
| Sumner | City | Pierce | 8,537 | 9,447 | 10,427 | → |
| Sunnyside | City | Yakima | 14,121 | 15,934 | 16,796 | → |
| Tacoma | City | Pierce | 193,338 | 198,247 | 217,827 | → |
| Tekoa | City | Whitman | 826 | 781 | 799 | → |
| Tenino | City | Thurston | 1,499 | 1,685 | 1,865 | → |
| Tieton | City | Yakima | 1,180 | 1,182 | 1,308 | → |
| Toledo | City | Lewis | 694 | 721 | 771 | → |
| Tonasket | City | Okanogan | ... | 1,143 | 1,121 | → |
| Toppenish | City | Yakima | 8,910 | 8,933 | 8,809 | → |
| Tukwila | City | King | 17,141 | 19,107 | 20,347 | → |
| Tumwater | City | Thurston | ... | 20,167 | 24,024 | → |
| Twisp | Town | Okanogan | 950 | 901 | 963 | → |
| Union Gap | City | Yakima | 5,621 | 6,127 | 6,200 | → |
| Uniontown | Town | Whitman | 345 | 294 | 344 | → |
| University Place | City | Pierce | 30,049 | 31,133 | 34,001 | → |
| Vader | City | Lewis | 543 | 622 | 670 | → |
| Vancouver | City | Clark | 144,625 | 167,159 | 184,463 | → |
| Waitsburg | City | Walla Walla | 1,231 | 1,215 | 1,231 | → |
| Walla Walla | City | Walla Walla | 30,731 | 32,445 | 32,900 | → |
| Wapato | City | Yakima | 4,587 | 5,016 | 5,010 | → |
| Warden | City | Grant | 2,556 | 2,692 | 2,812 | → |
| Washougal | City | Clark | 8,677 | 14,161 | 16,107 | → |
| Washtucna | Town | Adams | 257 | 208 | 208 | → |
| Waterville | Town | Douglas | 1,165 | 1,138 | 1,213 | → |
| Waverly | Town | Spokane | 121 | 106 | 109 | → |
| Wenatchee | City | Chelan | 28,683 | 32,784 | 34,360 | → |
| West Richland | City | Benton | 8,315 | 11,833 | 15,075 | → |
| Westport | City | Grays Harbor | 2,145 | 2,077 | 2,100 | → |
| White Salmon | City | Klickitat | 2,192 | 2,344 | 2,691 | → |
| Wilbur | Town | Lincoln | 935 | 871 | 861 | → |
| Wilkeson | Town | Pierce | 406 | 482 | 514 | → |
| Wilson Creek | Town | Grant | 237 | 205 | 215 | → |
| Winlock | City | Lewis | 1,210 | 1,358 | 1,428 | → |
| Winthrop | Town | Okanogan | 348 | 403 | 472 | → |
| Woodinville | City | King | 9,819 | 10,941 | 13,263 | → |
| Woodland | City | Cowlitz / Clark | 3,886 | 5,540 | 6,495 | → |
| Woodway | City | Snohomish | 943 | 1,307 | 1,391 | → |
| Yacolt | Town | Clark | 1,048 | 1,576 | 1,796 | → |
| Yakima | City | Yakima | 83,415 | 91,273 | 93,637 | → |
| Yarrow Point | Town | King | 1,008 | 1,001 | 1,149 | → |
| Yelm | City | Thurston | 3,234 | 6,817 | 9,456 | → |
| Zillah | City | Yakima | 2,256 | 3,020 | 3,140 | → |
Source: U.S. Census Bureau (web).
Explanation: Places: 2000 population in the boundaries of 2010 and later population figures in the boundaries of 2019.