All counties in the State of Washington.
| Name | Status | Population census 2000-04-01 | Population estimate 2005-07-01 | Population estimate 2009-07-01 | |
|---|---|---|---|---|---|
| Adams | County | 16,428 | 16,599 | 17,732 | o |
| Asotin | County | 20,551 | 20,899 | 21,432 | o |
| Benton | County | 142,478 | 156,050 | 168,294 | o |
| Chelan | County | 66,612 | 69,066 | 72,372 | o |
| Clallam | County | 64,180 | 68,749 | 71,413 | o |
| Clark | County | 345,238 | 399,553 | 432,002 | o |
| Columbia | County | 4,064 | 4,015 | 4,040 | o |
| Cowlitz | County | 92,948 | 96,359 | 101,966 | o |
| Douglas | County | 32,604 | 34,473 | 37,565 | o |
| Ferry | County | 7,260 | 7,443 | 7,520 | o |
| Franklin | County | 49,347 | 62,581 | 77,355 | o |
| Garfield | County | 2,397 | 2,189 | 2,101 | o |
| Grant | County | 74,697 | 79,845 | 88,098 | o |
| Grays Harbor | County | 67,192 | 70,144 | 71,797 | o |
| Island | County | 71,558 | 79,744 | 81,054 | o |
| Jefferson | County | 26,298 | 28,430 | 29,676 | o |
| King | County | 1,737,047 | 1,803,691 | 1,916,441 | o |
| Kitsap | County | 231,966 | 235,769 | 240,862 | o |
| Kittitas | County | 33,362 | 37,015 | 39,532 | o |
| Klickitat | County | 19,161 | 19,411 | 20,554 | o |
| Lewis | County | 68,600 | 71,661 | 74,741 | o |
| Lincoln | County | 10,184 | 10,177 | 10,248 | o |
| Mason | County | 49,408 | 53,884 | 58,016 | o |
| Okanogan | County | 39,564 | 39,056 | 40,552 | o |
| Pacific | County | 20,984 | 21,262 | 21,272 | o |
| Pend Oreille | County | 11,732 | 12,341 | 12,946 | o |
| Pierce | County | 700,819 | 749,468 | 796,836 | o |
| San Juan | County | 14,077 | 15,083 | 15,484 | o |
| Skagit | County | 102,975 | 112,176 | 119,534 | o |
| Skamania | County | 9,872 | 10,272 | 10,894 | o |
| Snohomish | County | 606,031 | 649,229 | 694,571 | o |
| Spokane | County | 417,939 | 440,145 | 468,684 | o |
| Stevens | County | 40,066 | 40,803 | 42,334 | o |
| Thurston | County | 207,353 | 227,638 | 250,979 | o |
| Wahkiakum | County | 3,824 | 3,828 | 4,062 | o |
| Walla Walla | County | 55,180 | 57,021 | 59,059 | o |
| Whatcom | County | 166,828 | 185,356 | 200,434 | o |
| Whitman | County | 40,740 | 41,694 | 42,689 | o |
| Yakima | County | 222,579 | 228,163 | 239,054 | o |
| Washington | Federal State | 5,894,143 | 6,261,282 | 6,664,195 |
Contents: All incorporated places in the State of Washington.
| Name | Status | County | Population census 2000-04-01 | Population estimate 2005-07-01 | Population estimate 2009-07-01 | |
|---|---|---|---|---|---|---|
| Aberdeen | City | Grays Harbor | 16,461 | 16,163 | 16,008 | o |
| Airway Heights | City | Spokane | 4,519 | 4,633 | 5,523 | o |
| Albion | Town | Whitman | 616 | 603 | 582 | o |
| Algona | City | King | 2,460 | 2,658 | 2,810 | o |
| Almira | Town | Lincoln | 302 | 295 | 288 | o |
| Anacortes | City | Skagit | 14,514 | 15,932 | 16,933 | o |
| Arlington | City | Snohomish | 12,319 | 15,364 | 17,236 | o |
| Asotin | City | Asotin | 1,092 | 1,109 | 1,129 | o |
| Auburn | City | 55,396 | 58,610 | 63,477 | o | |
| Bainbridge Island | City | Kitsap | 20,308 | 21,778 | 21,981 | o |
| Battle Ground | City | Clark | 9,990 | 15,652 | 17,346 | o |
| Beaux Arts Village | Town | King | 307 | 297 | 304 | o |
| Bellevue | City | King | 112,182 | 117,132 | 126,626 | o |
| Bellingham | City | Whatcom | 67,449 | 75,322 | 80,055 | o |
| Benton City | City | Benton | 2,613 | 2,926 | 3,013 | o |
| Bingen | City | Klickitat | 672 | 672 | 678 | o |
| Black Diamond | City | King | 3,970 | 3,951 | 4,091 | o |
| Blaine | City | Whatcom | 3,770 | 4,368 | 5,062 | o |
| Bonney Lake | City | Pierce | 11,796 | 15,002 | 17,168 | o |
| Bothell | City | 30,369 | 31,110 | 32,939 | o | |
| Bremerton | City | Kitsap | 37,267 | 34,181 | 35,191 | o |
| Brewster | City | Okanogan | 2,265 | 2,145 | 2,141 | o |
| Bridgeport | City | Douglas | 2,059 | 2,022 | 2,022 | o |
| Brier | City | Snohomish | 6,383 | 6,270 | 6,410 | o |
| Buckley | City | Pierce | 4,145 | 4,430 | 4,509 | o |
| Bucoda | Town | Thurston | 633 | 636 | 643 | o |
| Burien | City | King | 31,881 | 30,812 | 31,920 | o |
| Burlington | City | Skagit | 6,835 | 8,123 | 8,704 | o |
| Camas | City | Clark | 12,805 | 16,367 | 18,263 | o |
| Carbonado | Town | Pierce | 621 | 603 | 610 | o |
| Carnation | City | King | 1,893 | 1,833 | 1,844 | o |
| Cashmere | City | Chelan | 2,952 | 2,940 | 2,955 | o |
| Castle Rock | City | Cowlitz | 2,130 | 2,081 | 2,121 | o |
| Cathlamet | Town | Wahkiakum | 569 | 547 | 600 | o |
| Centralia | City | Lewis | 14,867 | 15,201 | 15,699 | o |
| Chehalis | City | Lewis | 7,053 | 7,101 | 7,396 | o |
| Chelan | City | Chelan | 3,739 | 3,833 | 4,107 | o |
| Cheney | City | Spokane | 8,835 | 10,327 | 10,842 | o |
| Chewelah | City | Stevens | 2,186 | 2,217 | 2,309 | o |
| Clarkston | City | Asotin | 7,343 | 7,205 | 7,174 | o |
| Cle Elum | City | Kittitas | 1,759 | 1,827 | 1,925 | o |
| Clyde Hill | City | King | 2,890 | 2,772 | 2,785 | o |
| Colfax | City | Whitman | 2,865 | 2,895 | 2,817 | o |
| College Place | City | Walla Walla | 7,837 | 8,866 | 9,085 | o |
| Colton | Town | Whitman | 386 | 380 | 402 | o |
| Colville | City | Stevens | 5,012 | 4,900 | 4,914 | o |
| Conconully | Town | Okanogan | 200 | 180 | 197 | o |
| Concrete | Town | Skagit | 790 | 793 | 866 | o |
| Connell | City | Franklin | 2,996 | 3,077 | 3,446 | o |
| Cosmopolis | City | Grays Harbor | 1,595 | 1,627 | 1,658 | o |
| Coulee City | Town | Grant | 594 | 619 | 647 | o |
| Coulee Dam | Town | 1,045 | 1,056 | 1,050 | o | |
| Coupeville | Town | Island | 1,723 | 1,819 | 1,869 | o |
| Covington | City | King | 14,181 | 17,304 | 18,492 | o |
| Creston | Town | Lincoln | 232 | 227 | 224 | o |
| Cusick | Town | Pend Oreille | 212 | 216 | 220 | o |
| Darrington | Town | Snohomish | 1,206 | 1,326 | 1,354 | o |
| Davenport | City | Lincoln | 1,738 | 1,699 | 1,684 | o |
| Dayton | City | Columbia | 2,660 | 2,626 | 2,644 | o |
| Deer Park | City | Spokane | 3,027 | 3,114 | 3,549 | o |
| Des Moines | City | King | 29,658 | 28,773 | 29,258 | o |
| DuPont | City | Pierce | 2,452 | 5,295 | 7,318 | o |
| Duvall | City | King | 4,677 | 5,778 | 6,197 | o |
| East Wenatchee | City | Douglas | 11,679 | 11,957 | 12,569 | o |
| Eatonville | Town | Pierce | 2,071 | 2,366 | 2,563 | o |
| Edgewood | City | Pierce | 9,090 | 9,615 | 9,841 | o |
| Edmonds | City | Snohomish | 39,519 | 39,541 | 40,773 | o |
| Electric City | Town | Grant | 936 | 965 | 1,011 | o |
| Ellensburg | City | Kittitas | 15,487 | 16,887 | 17,409 | o |
| Elma | City | Grays Harbor | 3,113 | 3,162 | 3,113 | o |
| Elmer City | Town | Okanogan | 267 | 254 | 252 | o |
| Endicott | Town | Whitman | 348 | 334 | 320 | o |
| Entiat | City | Chelan | 988 | 1,021 | 1,082 | o |
| Enumclaw | City | 11,123 | 10,742 | 10,845 | o | |
| Ephrata | City | Grant | 6,842 | 7,103 | 7,569 | o |
| Everett | City | Snohomish | 95,981 | 97,039 | 99,385 | o |
| Everson | City | Whatcom | 2,035 | 2,088 | 2,240 | o |
| Fairfield | Town | Spokane | 494 | 581 | 582 | o |
| Farmington | Town | Whitman | 153 | 148 | 143 | o |
| Federal Way | City | King | 85,342 | 83,411 | 85,827 | o |
| Ferndale | City | Whatcom | 8,833 | 10,140 | 11,681 | o |
| Fife | City | Pierce | 4,783 | 5,507 | 8,169 | o |
| Fircrest | City | Pierce | 5,868 | 6,017 | 6,278 | o |
| Forks | City | Clallam | 3,278 | 3,319 | 3,349 | o |
| Friday Harbor | Town | San Juan | 2,020 | 2,073 | 2,152 | o |
| Garfield | Town | Whitman | 638 | 654 | 630 | o |
| George | City | Grant | 534 | 567 | 593 | o |
| Gig Harbor | City | Pierce | 6,561 | 6,626 | 7,240 | o |
| Gold Bar | City | Snohomish | 2,014 | 2,074 | 2,114 | o |
| Goldendale | City | Klickitat | 3,813 | 3,681 | 3,742 | o |
| Grand Coulee | City | Grant | 895 | 910 | 951 | o |
| Grandview | City | Yakima | 8,490 | 8,857 | 9,533 | o |
| Granger | City | Yakima | 2,636 | 2,828 | 3,109 | o |
| Granite Falls | City | Snohomish | 2,422 | 2,903 | 3,200 | o |
| Hamilton | Town | Skagit | 311 | 354 | 352 | o |
| Harrah | Town | Yakima | 508 | 501 | 513 | o |
| Harrington | City | Lincoln | 426 | 412 | 403 | o |
| Hartline | Town | Grant | 134 | 140 | 146 | o |
| Hatton | Town | Adams | 98 | 97 | 101 | o |
| Hoquiam | City | Grays Harbor | 9,097 | 8,921 | 8,804 | o |
| Hunts Point | Town | King | 443 | 462 | 485 | o |
| Ilwaco | City | Pacific | 957 | 972 | 993 | o |
| Index | Town | Snohomish | 157 | 161 | 169 | o |
| Ione | Town | Pend Oreille | 479 | 488 | 498 | o |
| Issaquah | City | King | 17,302 | 20,889 | 24,930 | o |
| Kahlotus | City | Franklin | 226 | 231 | 250 | o |
| Kalama | City | Cowlitz | 1,862 | 2,031 | 2,256 | o |
| Kelso | City | Cowlitz | 11,895 | 11,717 | 12,150 | o |
| Kenmore | City | King | 18,678 | 19,617 | 20,782 | o |
| Kennewick | City | Benton | 59,196 | 63,682 | 67,814 | o |
| Kent | City | King | 80,485 | 82,080 | 85,530 | o |
| Kettle Falls | City | Stevens | 1,377 | 1,390 | 1,422 | o |
| Kirkland | City | King | 45,054 | 45,802 | 48,499 | o |
| Kittitas | City | Kittitas | 1,108 | 1,113 | 1,130 | o |
| Krupp | Town | Grant | 60 | 63 | 63 | o |
| La Center | City | Clark | 1,719 | 2,139 | 2,575 | o |
| La Conner | Town | Skagit | 729 | 745 | 763 | o |
| La Crosse | Town | Whitman | 381 | 370 | 355 | o |
| Lacey | City | Thurston | 31,578 | 33,705 | 42,046 | o |
| Lake Forest Park | City | King | 12,874 | 12,506 | 12,614 | o |
| Lake Stevens | City | Snohomish | 12,606 | 13,365 | 14,511 | o |
| Lakewood | City | Pierce | 58,376 | 57,148 | 57,710 | o |
| Lamont | Town | Whitman | 106 | 103 | 100 | o |
| Langley | City | Island | 983 | 1,043 | 1,086 | o |
| Latah | Town | Spokane | 151 | 152 | 151 | o |
| Leavenworth | City | Chelan | 2,092 | 2,196 | 2,347 | o |
| Liberty Lake | City | Spokane | 3,407 | 5,878 | 7,687 | o |
| Lind | Town | Adams | 582 | 567 | 592 | o |
| Long Beach | City | Pacific | 1,365 | 1,372 | 1,365 | o |
| Longview | City | Cowlitz | 34,665 | 35,679 | 36,483 | o |
| Lyman | Town | Skagit | 409 | 418 | 427 | o |
| Lynden | City | Whatcom | 9,510 | 11,021 | 12,125 | o |
| Lynnwood | City | Snohomish | 33,859 | 33,150 | 34,017 | o |
| Mabton | City | Yakima | 1,965 | 2,081 | 2,201 | o |
| Malden | Town | Whitman | 215 | 209 | 201 | o |
| Mansfield | Town | Douglas | 319 | 326 | 348 | o |
| Maple Valley | City | King | 14,209 | 18,224 | 21,020 | o |
| Marcus | Town | Stevens | 117 | 160 | 161 | o |
| Marysville | City | Snohomish | 29,112 | 32,596 | 35,266 | o |
| Mattawa | Town | Grant | 2,574 | 3,084 | 3,199 | o |
| McCleary | City | Grays Harbor | 1,510 | 1,483 | 1,621 | o |
| Medical Lake | City | Spokane | 3,815 | 4,216 | 4,835 | o |
| Medina | City | King | 3,011 | 3,038 | 3,207 | o |
| Mercer Island | City | King | 22,036 | 22,901 | 24,530 | o |
| Mesa | City | Franklin | 425 | 424 | 471 | o |
| Metaline | Town | Pend Oreille | 162 | 165 | 168 | o |
| Metaline Falls | Town | Pend Oreille | 223 | 225 | 230 | o |
| Mill Creek | City | Snohomish | 13,966 | 16,556 | 17,370 | o |
| Millwood | Town | Spokane | 1,649 | 1,599 | 1,619 | o |
| Milton | City | 5,797 | 5,977 | 6,076 | o | |
| Monroe | City | Snohomish | 13,823 | 16,001 | 17,286 | o |
| Montesano | City | Grays Harbor | 3,317 | 3,364 | 3,622 | o |
| Morton | City | Lewis | 1,046 | 1,070 | 1,083 | o |
| Moses Lake | City | Grant | 15,378 | 16,625 | 20,086 | o |
| Mossyrock | City | Lewis | 691 | 708 | 712 | o |
| Mount Vernon | City | Skagit | 26,629 | 29,372 | 32,139 | o |
| Mountlake Terrace | City | Snohomish | 20,418 | 20,021 | 20,078 | o |
| Moxee | City | Yakima | 945 | 1,396 | 2,443 | o |
| Mukilteo | City | Snohomish | 18,019 | 19,609 | 20,938 | o |
| Naches | Town | Yakima | 709 | 727 | 772 | o |
| Napavine | City | Lewis | 1,490 | 1,627 | 1,911 | o |
| Nespelem | Town | Okanogan | 212 | 204 | 203 | o |
| Newcastle | City | King | 7,737 | 9,295 | 10,026 | o |
| Newport | City | Pend Oreille | 1,919 | 2,094 | 2,105 | o |
| Nooksack | City | Whatcom | 863 | 893 | 1,113 | o |
| Normandy Park | City | King | 6,403 | 6,203 | 6,364 | o |
| North Bend | City | King | 4,805 | 4,658 | 4,707 | o |
| North Bonneville | City | Skamania | 593 | 684 | 952 | o |
| Northport | Town | Stevens | 344 | 336 | 333 | o |
| Oak Harbor | City | Island | 19,731 | 22,389 | 22,638 | o |
| Oakesdale | Town | Whitman | 420 | 410 | 398 | o |
| Oakville | City | Grays Harbor | 681 | 688 | 730 | o |
| Ocean Shores | City | Grays Harbor | 3,836 | 4,408 | 5,126 | o |
| Odessa | Town | Lincoln | 957 | 922 | 903 | o |
| Okanogan | City | Okanogan | 2,511 | 2,382 | 2,393 | o |
| Olympia | City | Thurston | 43,016 | 44,286 | 46,100 | o |
| Omak | City | Okanogan | 4,807 | 4,681 | 4,754 | o |
| Oroville | City | Okanogan | 1,717 | 1,616 | 1,671 | o |
| Orting | City | Pierce | 3,921 | 4,728 | 6,319 | o |
| Othello | City | Adams | 5,853 | 6,121 | 6,734 | o |
| Pacific | City | 5,517 | 5,577 | 6,019 | o | |
| Palouse | City | Whitman | 1,011 | 982 | 952 | o |
| Pasco | City | Franklin | 33,845 | 46,051 | 58,647 | o |
| Pateros | City | Okanogan | 643 | 613 | 623 | o |
| Pe Ell | Town | Lewis | 652 | 668 | 675 | o |
| Pomeroy | City | Garfield | 1,517 | 1,383 | 1,299 | o |
| Port Angeles | City | Clallam | 18,449 | 18,808 | 18,912 | o |
| Port Orchard | City | Kitsap | 7,799 | 7,983 | 8,017 | o |
| Port Townsend | City | Jefferson | 8,333 | 8,908 | 9,136 | o |
| Poulsbo | City | Kitsap | 7,065 | 7,693 | 8,284 | o |
| Prescott | Town | Walla Walla | 315 | 328 | 327 | o |
| Prosser | City | Benton | 4,905 | 5,078 | 5,282 | o |
| Pullman | City | Whitman | 24,994 | 26,222 | 27,619 | o |
| Puyallup | City | Pierce | 34,321 | 36,506 | 37,743 | o |
| Quincy | City | Grant | 5,068 | 5,506 | 6,157 | o |
| Rainier | Town | Thurston | 1,469 | 1,618 | 1,695 | o |
| Raymond | City | Pacific | 2,988 | 2,946 | 2,852 | o |
| Reardan | Town | Lincoln | 608 | 599 | 590 | o |
| Redmond | City | King | 45,657 | 47,879 | 52,406 | o |
| Renton | City | King | 51,325 | 57,234 | 62,002 | o |
| Republic | City | Ferry | 954 | 975 | 958 | o |
| Richland | City | Benton | 38,736 | 43,659 | 47,527 | o |
| Ridgefield | City | Clark | 2,147 | 2,792 | 4,407 | o |
| Ritzville | City | Adams | 1,736 | 1,696 | 1,762 | o |
| Riverside | Town | Okanogan | 349 | 333 | 331 | o |
| Rock Island | City | Douglas | 866 | 856 | 853 | o |
| Rockford | Town | Spokane | 413 | 493 | 512 | o |
| Rosalia | Town | Whitman | 648 | 624 | 599 | o |
| Roslyn | City | Kittitas | 1,017 | 1,008 | 996 | o |
| Roy | City | Pierce | 260 | 676 | 695 | o |
| Royal City | City | Grant | 1,831 | 1,932 | 2,024 | o |
| Ruston | Town | Pierce | 738 | 732 | 748 | o |
| Sammamish | City | King | 34,104 | 40,743 | 42,336 | o |
| SeaTac | City | King | 25,496 | 25,179 | 26,629 | o |
| Seattle | City | King | 563,377 | 575,036 | 616,627 | o |
| Sedro-Woolley | City | Skagit | 8,920 | 10,208 | 11,024 | o |
| Selah | City | Yakima | 6,351 | 6,752 | 7,285 | o |
| Sequim | City | Clallam | 4,505 | 4,842 | 5,840 | o |
| Shelton | City | Mason | 8,442 | 8,873 | 9,254 | o |
| Shoreline | City | King | 53,293 | 52,045 | 52,775 | o |
| Skykomish | Town | King | 214 | 208 | 208 | o |
| Snohomish | City | Snohomish | 8,899 | 8,755 | 9,220 | o |
| Snoqualmie | City | King | 2,010 | 6,183 | 8,692 | o |
| Soap Lake | City | Grant | 1,714 | 1,790 | 1,870 | o |
| South Bend | City | Pacific | 1,837 | 1,832 | 1,807 | o |
| South Cle Elum | Town | Kittitas | 457 | 552 | 576 | o |
| South Prairie | Town | Pierce | 382 | 434 | 467 | o |
| Spangle | Town | Spokane | 240 | 235 | 240 | o |
| Spokane | City | Spokane | 197,070 | 198,197 | 203,268 | o |
| Spokane Valley | City | 80,910 | 81,074 | 87,375 | o | |
| Sprague | City | Lincoln | 490 | 480 | 472 | o |
| Springdale | Town | Stevens | 287 | 281 | 279 | o |
| St. John | Town | Whitman | 548 | 544 | 526 | o |
| Stanwood | City | Snohomish | 4,210 | 4,553 | 5,402 | o |
| Starbuck | Town | Columbia | 130 | 127 | 127 | o |
| Steilacoom | Town | Pierce | 6,048 | 6,070 | 6,127 | o |
| Stevenson | City | Skamania | 1,333 | 1,338 | 1,398 | o |
| Sultan | City | Snohomish | 3,350 | 3,901 | 4,288 | o |
| Sumas | City | Whatcom | 965 | 1,085 | 1,265 | o |
| Sumner | City | Pierce | 8,589 | 9,208 | 9,840 | o |
| Sunnyside | City | Yakima | 14,224 | 14,524 | 15,238 | o |
| Tacoma | City | Pierce | 193,585 | 193,911 | 199,638 | o |
| Tekoa | City | Whitman | 826 | 801 | 776 | o |
| Tenino | City | Thurston | 1,477 | 1,598 | 1,654 | o |
| Tieton | Town | Yakima | 1,174 | 1,166 | 1,178 | o |
| Toledo | City | Lewis | 665 | 680 | 688 | o |
| Tonasket | City | Okanogan | 1,000 | 952 | 949 | o |
| Toppenish | City | Yakima | 8,981 | 9,062 | 9,256 | o |
| Tukwila | City | King | 17,181 | 17,017 | 17,371 | o |
| Tumwater | City | Thurston | 14,703 | 15,172 | 16,265 | o |
| Twisp | Town | Okanogan | 938 | 899 | 906 | o |
| Union Gap | City | Yakima | 5,621 | 5,638 | 5,784 | o |
| Uniontown | Town | Whitman | 345 | 336 | 326 | o |
| University Place | City | Pierce | 29,975 | 30,123 | 30,685 | o |
| Vader | City | Lewis | 590 | 607 | 615 | o |
| Vancouver | City | Clark | 146,307 | 157,181 | 165,742 | o |
| Waitsburg | City | Walla Walla | 1,212 | 1,222 | 1,262 | o |
| Walla Walla | City | Walla Walla | 30,538 | 30,620 | 31,286 | o |
| Wapato | City | Yakima | 4,604 | 4,543 | 4,585 | o |
| Warden | City | Grant | 2,548 | 2,606 | 2,649 | o |
| Washougal | City | Clark | 8,707 | 11,470 | 13,802 | o |
| Washtucna | Town | Adams | 262 | 258 | 269 | o |
| Waterville | Town | Douglas | 1,163 | 1,139 | 1,147 | o |
| Waverly | Town | Spokane | 121 | 118 | 117 | o |
| Wenatchee | City | Chelan | 28,737 | 29,379 | 30,229 | o |
| West Richland | City | Benton | 8,421 | 9,832 | 11,520 | o |
| Westport | City | Grays Harbor | 2,137 | 2,374 | 2,622 | o |
| White Salmon | City | Klickitat | 2,207 | 2,239 | 2,408 | o |
| Wilbur | Town | Lincoln | 914 | 882 | 866 | o |
| Wilkeson | Town | Pierce | 395 | 402 | 425 | o |
| Wilson Creek | Town | Grant | 227 | 237 | 249 | o |
| Winlock | City | Lewis | 1,193 | 1,220 | 1,235 | o |
| Winthrop | Town | Okanogan | 350 | 353 | 393 | o |
| Woodinville | City | King | 9,838 | 9,919 | 11,416 | o |
| Woodland | City | 3,955 | 4,508 | 5,332 | o | |
| Woodway | City | Snohomish | 936 | 1,103 | 1,144 | o |
| Yacolt | Town | Clark | 1,055 | 1,175 | 1,472 | o |
| Yakima | City | Yakima | 83,503 | 83,345 | 85,832 | o |
| Yarrow Point | Town | King | 1,008 | 956 | 960 | o |
| Yelm | City | Thurston | 3,227 | 4,449 | 6,242 | o |
| Zillah | City | Yakima | 2,216 | 2,551 | 2,791 | o |
Source: US Census Bureau (web).
2010-11-23WWW.CITYPOPULATION.DE