| Area | Census 2000 | 7/1/2008 | Absolute Change | Relative Change |
| Washington | 5,894,121 | 6,549,224 | 655,103 | 11.11% |
|---|---|---|---|---|
| Aberdeen city | 16,461 | 16,042 | -419 | -2.55% |
| Airway Heights city | 4,500 | 5,289 | 789 | 17.53% |
| Albion town | 616 | 566 | -50 | -8.12% |
| Algona city | 2,460 | 2,731 | 271 | 11.02% |
| Almira town | 302 | 292 | -10 | -3.31% |
| Anacortes city | 14,557 | 16,798 | 2,241 | 15.39% |
| Arlington city | 11,713 | 16,810 | 5,097 | 43.52% |
| Asotin city | 1,095 | 1,129 | 34 | 3.11% |
| Auburn city | 40,314 | 55,426 | 15,112 | 37.49% |
| Bainbridge Island city | 20,308 | 21,890 | 1,582 | 7.79% |
| Battle Ground city | 9,296 | 16,812 | 7,516 | 80.85% |
| Beaux Arts Village town | 307 | 298 | -9 | -2.93% |
| Bellevue city | 109,569 | 123,771 | 14,202 | 12.96% |
| Bellingham city | 67,171 | 78,905 | 11,734 | 17.47% |
| Benton City city | 2,624 | 2,964 | 340 | 12.96% |
| Bingen city | 672 | 680 | 8 | 1.19% |
| Black Diamond city | 3,970 | 4,003 | 33 | 0.83% |
| Blaine city | 3,770 | 4,975 | 1,205 | 31.96% |
| Bonney Lake city | 9,687 | 16,809 | 7,122 | 73.52% |
| Bothell city | 30,150 | 32,307 | 2,157 | 7.15% |
| Bremerton city | 37,259 | 36,006 | -1,253 | -3.36% |
| Brewster city | 2,189 | 2,090 | -99 | -4.52% |
| Bridgeport city | 2,059 | 1,978 | -81 | -3.93% |
| Brier city | 6,383 | 6,344 | -39 | -0.61% |
| Buckley city | 4,145 | 4,462 | 317 | 7.65% |
| Bucoda town | 628 | 633 | 5 | 0.80% |
| Burien city | 31,881 | 31,316 | -565 | -1.77% |
| Burlington city | 6,757 | 8,697 | 1,940 | 28.71% |
| Camas city | 12,534 | 17,950 | 5,416 | 43.21% |
| Carbonado town | 621 | 599 | -22 | -3.54% |
| Carnation city | 1,893 | 1,814 | -79 | -4.17% |
| Cashmere city | 2,965 | 2,843 | -122 | -4.11% |
| Castle Rock city | 2,130 | 2,120 | -10 | -0.47% |
| Cathlamet town | 565 | 603 | 38 | 6.73% |
| Centralia city | 14,742 | 15,710 | 968 | 6.57% |
| Chehalis city | 7,057 | 7,361 | 304 | 4.31% |
| Chelan city | 3,522 | 3,993 | 471 | 13.37% |
| Cheney city | 8,832 | 10,385 | 1,553 | 17.58% |
| Chewelah city | 2,186 | 2,300 | 114 | 5.22% |
| Clarkston city | 7,337 | 7,207 | -130 | -1.77% |
| Cle Elum city | 1,755 | 1,918 | 163 | 9.29% |
| Clyde Hill city | 2,890 | 2,725 | -165 | -5.71% |
| Colfax city | 2,844 | 2,754 | -90 | -3.16% |
| College Place city | 7,818 | 8,978 | 1,160 | 14.84% |
| Colton town | 386 | 394 | 8 | 2.07% |
| Colville city | 4,988 | 4,929 | -59 | -1.18% |
| Conconully town | 185 | 182 | -3 | -1.62% |
| Concrete town | 790 | 864 | 74 | 9.37% |
| Connell city | 2,956 | 3,190 | 234 | 7.92% |
| Cosmopolis city | 1,595 | 1,661 | 66 | 4.14% |
| Coulee City town | 600 | 632 | 32 | 5.33% |
| Coulee Dam town | 1,044 | 1,050 | 6 | 0.57% |
| Coupeville town | 1,723 | 1,888 | 165 | 9.58% |
| Covington city | 13,783 | 18,115 | 4,332 | 31.43% |
| Creston town | 232 | 224 | -8 | -3.45% |
| Cusick town | 212 | 219 | 7 | 3.30% |
| Darrington town | 1,136 | 1,334 | 198 | 17.43% |
| Davenport city | 1,730 | 1,703 | -27 | -1.56% |
| Dayton city | 2,655 | 2,617 | -38 | -1.43% |
| Deer Park city | 3,017 | 3,500 | 483 | 16.01% |
| Des Moines city | 29,267 | 28,755 | -512 | -1.75% |
| DuPont city | 2,452 | 6,944 | 4,492 | 183.20% |
| Duvall city | 4,616 | 5,982 | 1,366 | 29.59% |
| East Wenatchee city | 5,757 | 12,286 | 6,529 | 113.41% |
| Eatonville town | 2,012 | 2,459 | 447 | 22.22% |
| Edgewood city | 9,089 | 9,711 | 622 | 6.84% |
| Edmonds city | 39,515 | 40,158 | 643 | 1.63% |
| Electric City town | 922 | 988 | 66 | 7.16% |
| Ellensburg city | 15,414 | 17,141 | 1,727 | 11.20% |
| Elma city | 3,049 | 3,113 | 64 | 2.10% |
| Elmer City town | 267 | 251 | -16 | -5.99% |
| Endicott town | 621 | 314 | -307 | -49.44% |
| Entiat city | 957 | 1,043 | 86 | 8.99% |
| Enumclaw city | 11,116 | 10,684 | -432 | -3.89% |
| Ephrata city | 6,808 | 7,344 | 536 | 7.87% |
| Everett city | 91,488 | 98,212 | 6,724 | 7.35% |
| Everson city | 2,035 | 2,192 | 157 | 7.71% |
| Fairfield town | 494 | 582 | 88 | 17.81% |
| Farmington town | 153 | 140 | -13 | -8.50% |
| Federal Way city | 83,259 | 84,309 | 1,050 | 1.26% |
| Ferndale city | 8,758 | 11,359 | 2,601 | 29.70% |
| Fife city | 4,784 | 8,114 | 3,330 | 69.61% |
| Fircrest city | 5,868 | 6,213 | 345 | 5.88% |
| Forks city | 3,120 | 3,275 | 155 | 4.97% |
| Friday Harbor town | 1,989 | 2,130 | 141 | 7.09% |
| Garfield town | 641 | 616 | -25 | -3.90% |
| George city | 528 | 571 | 43 | 8.14% |
| Gig Harbor city | 6,465 | 7,008 | 543 | 8.40% |
| Gold Bar city | 2,014 | 2,373 | 359 | 17.83% |
| Goldendale city | 3,760 | 3,742 | -18 | -0.48% |
| Grand Coulee city | 897 | 928 | 31 | 3.46% |
| Grandview city | 8,377 | 9,392 | 1,015 | 12.12% |
| Granger city | 2,530 | 2,979 | 449 | 17.75% |
| Granite Falls city | 2,347 | 3,088 | 741 | 31.57% |
| Hamilton town | 309 | 354 | 45 | 14.56% |
| Harrah town | 542 | 503 | -39 | -7.20% |
| Harrington city | 426 | 408 | -18 | -4.23% |
| Hartline town | 134 | 143 | 9 | 6.72% |
| Hatton town | 98 | 98 | 0 | 0.00% |
| Hoquiam city | 9,097 | 8,848 | -249 | -2.74% |
| Hunts Point town | 443 | 472 | 29 | 6.55% |
| Ilwaco city | 950 | 986 | 36 | 3.79% |
| Index town | 157 | 166 | 9 | 5.73% |
| Ione town | 479 | 496 | 17 | 3.55% |
| Issaquah city | 11,212 | 24,057 | 12,845 | 114.56% |
| Kahlotus city | 214 | 236 | 22 | 10.28% |
| Kalama city | 1,783 | 2,249 | 466 | 26.14% |
| Kelso city | 11,895 | 12,188 | 293 | 2.46% |
| Kenmore city | 18,678 | 20,374 | 1,696 | 9.08% |
| Kennewick city | 54,693 | 63,216 | 8,523 | 15.58% |
| Kent city | 79,524 | 83,978 | 4,454 | 5.60% |
| Kettle Falls city | 1,527 | 1,425 | -102 | -6.68% |
| Kirkland city | 45,054 | 47,303 | 2,249 | 4.99% |
| Kittitas city | 1,105 | 1,231 | 126 | 11.40% |
| Krupp town | 60 | 62 | 2 | 3.33% |
| La Center city | 1,654 | 2,545 | 891 | 53.87% |
| La Conner town | 761 | 788 | 27 | 3.55% |
| La Crosse town | 380 | 348 | -32 | -8.42% |
| Lacey city | 31,226 | 40,702 | 9,476 | 30.35% |
| Lake Forest Park city | 13,142 | 12,438 | -704 | -5.36% |
| Lake Stevens city | 6,361 | 13,599 | 7,238 | 113.79% |
| Lakewood city | 58,211 | 56,983 | -1,228 | -2.11% |
| Lamont town | 106 | 97 | -9 | -8.49% |
| Langley city | 959 | 1,072 | 113 | 11.78% |
| Latah town | 151 | 150 | -1 | -0.66% |
| Leavenworth city | 2,074 | 2,324 | 250 | 12.05% |
| Lind town | 582 | 581 | -1 | -0.17% |
| Long Beach city | 1,283 | 1,360 | 77 | 6.00% |
| Longview city | 34,660 | 36,562 | 1,902 | 5.49% |
| Lyman town | 409 | 421 | 12 | 2.93% |
| Lynden city | 9,020 | 11,737 | 2,717 | 30.12% |
| Lynnwood city | 33,847 | 33,572 | -275 | -0.81% |
| Mabton city | 1,891 | 2,067 | 176 | 9.31% |
| Malden town | 215 | 196 | -19 | -8.84% |
| Mansfield town | 319 | 341 | 22 | 6.90% |
| Maple Valley city | 14,209 | 19,929 | 5,720 | 40.26% |
| Marcus town | 117 | 162 | 45 | 38.46% |
| Marysville city | 25,315 | 34,482 | 9,167 | 36.21% |
| Mattawa town | 2,609 | 3,143 | 534 | 20.47% |
| McCleary city | 1,454 | 1,604 | 150 | 10.32% |
| Medical Lake city | 3,758 | 4,710 | 952 | 25.33% |
| Medina city | 3,011 | 3,144 | 133 | 4.42% |
| Mercer Island city | 22,036 | 24,163 | 2,127 | 9.65% |
| Mesa city | 425 | 443 | 18 | 4.24% |
| Metaline Falls town | 223 | 230 | 7 | 3.14% |
| Metaline town | 162 | 168 | 6 | 3.70% |
| Mill Creek city | 11,525 | 16,907 | 5,382 | 46.70% |
| Millwood town | 1,649 | 1,613 | -36 | -2.18% |
| Milton city | 5,795 | 6,786 | 991 | 17.10% |
| Monroe city | 13,795 | 17,059 | 3,264 | 23.66% |
| Montesano city | 3,312 | 3,599 | 287 | 8.67% |
| Morton city | 1,045 | 1,086 | 41 | 3.92% |
| Moses Lake city | 14,953 | 18,800 | 3,847 | 25.73% |
| Mossyrock city | 486 | 503 | 17 | 3.50% |
| Mount Vernon city | 26,232 | 31,513 | 5,281 | 20.13% |
| Mountlake Terrace city | 20,362 | 19,912 | -450 | -2.21% |
| Moxee city | 821 | 2,330 | 1,509 | 183.80% |
| Mukilteo city | 18,019 | 20,742 | 2,723 | 15.11% |
| Naches town | 643 | 718 | 75 | 11.66% |
| Napavine city | 1,361 | 1,611 | 250 | 18.37% |
| Nespelem town | 212 | 201 | -11 | -5.19% |
| Newcastle city | 7,737 | 9,885 | 2,148 | 27.76% |
| Newport city | 1,921 | 2,126 | 205 | 10.67% |
| Nooksack city | 851 | 1,049 | 198 | 23.27% |
| Normandy Park city | 6,392 | 6,240 | -152 | -2.38% |
| North Bend city | 4,746 | 4,635 | -111 | -2.34% |
| North Bonneville city | 593 | 955 | 362 | 61.05% |
| Northport town | 336 | 333 | -3 | -0.89% |
| Oak Harbor city | 19,795 | 22,744 | 2,949 | 14.90% |
| Oakesdale town | 420 | 391 | -29 | -6.90% |
| Oakville city | 675 | 721 | 46 | 6.81% |
| Ocean Shores city | 3,836 | 5,029 | 1,193 | 31.10% |
| Odessa town | 957 | 917 | -40 | -4.18% |
| Okanogan city | 2,484 | 2,351 | -133 | -5.35% |
| Olympia city | 42,514 | 45,322 | 2,808 | 6.60% |
| Omak city | 4,721 | 4,706 | -15 | -0.32% |
| Oroville city | 1,653 | 1,658 | 5 | 0.30% |
| Orting city | 3,760 | 6,188 | 2,428 | 64.57% |
| Othello city | 5,847 | 6,577 | 730 | 12.49% |
| Pacific city | 5,527 | 6,040 | 513 | 9.28% |
| Palouse city | 1,011 | 934 | -77 | -7.62% |
| Pasco city | 32,066 | 55,246 | 23,180 | 72.29% |
| Pateros city | 643 | 616 | -27 | -4.20% |
| Pe Ell town | 657 | 679 | 22 | 3.35% |
| Pomeroy city | 1,517 | 1,281 | -236 | -15.56% |
| Port Angeles city | 18,397 | 18,982 | 585 | 3.18% |
| Port Orchard city | 7,693 | 7,953 | 260 | 3.38% |
| Port Townsend city | 8,334 | 9,133 | 799 | 9.59% |
| Poulsbo city | 6,813 | 8,149 | 1,336 | 19.61% |
| Prescott town | 314 | 317 | 3 | 0.96% |
| Prosser city | 4,838 | 5,124 | 286 | 5.91% |
| Pullman city | 24,675 | 26,920 | 2,245 | 9.10% |
| Puyallup city | 33,011 | 36,330 | 3,319 | 10.05% |
| Quincy city | 5,044 | 5,882 | 838 | 16.61% |
| Rainier town | 1,492 | 1,645 | 153 | 10.25% |
| Raymond city | 2,975 | 2,865 | -110 | -3.70% |
| Reardan town | 608 | 597 | -11 | -1.81% |
| Redmond city | 45,256 | 49,548 | 4,292 | 9.48% |
| Renton city | 50,052 | 62,266 | 12,214 | 24.40% |
| Republic city | 954 | 941 | -13 | -1.36% |
| Richland city | 38,708 | 46,155 | 7,447 | 19.24% |
| Ridgefield city | 2,147 | 4,314 | 2,167 | 100.93% |
| Ritzville city | 1,736 | 1,736 | 0 | 0.00% |
| Riverside town | 348 | 327 | -21 | -6.03% |
| Rock Island city | 863 | 827 | -36 | -4.17% |
| Rockford town | 413 | 512 | 99 | 23.97% |
| Rosalia town | 648 | 587 | -61 | -9.41% |
| Roslyn city | 1,017 | 992 | -25 | -2.46% |
| Roy city | 260 | 689 | 429 | 165.00% |
| Royal City city | 1,823 | 1,966 | 143 | 7.84% |
| Ruston town | 738 | 734 | -4 | -0.54% |
| Sammamish city | 34,104 | 40,179 | 6,075 | 17.81% |
| SeaTac city | 25,496 | 25,840 | 344 | 1.35% |
| Seattle city | 563,374 | 598,541 | 35,167 | 6.24% |
| Sedro-Woolley city | 8,658 | 10,871 | 2,213 | 25.56% |
| Selah city | 6,310 | 7,126 | 816 | 12.93% |
| Sequim city | 4,334 | 5,809 | 1,475 | 34.03% |
| Shelton city | 8,442 | 9,276 | 834 | 9.88% |
| Shoreline city | 53,025 | 52,005 | -1,020 | -1.92% |
| Skykomish town | 214 | 205 | -9 | -4.21% |
| Snohomish city | 8,494 | 8,801 | 307 | 3.61% |
| Snoqualmie city | 1,631 | 8,161 | 6,530 | 400.37% |
| Soap Lake city | 1,733 | 1,826 | 93 | 5.37% |
| South Bend city | 1,807 | 1,785 | -22 | -1.22% |
| South Cle Elum town | 457 | 573 | 116 | 25.38% |
| South Prairie town | 382 | 427 | 45 | 11.78% |
| Spangle town | 240 | 236 | -4 | -1.67% |
| Spokane city | 195,629 | 202,319 | 6,690 | 3.42% |
| Sprague city | 490 | 478 | -12 | -2.45% |
| Springdale town | 283 | 277 | -6 | -2.12% |
| St. John town | 548 | 514 | -34 | -6.20% |
| Stanwood city | 3,923 | 6,089 | 2,166 | 55.21% |
| Starbuck town | 130 | 124 | -6 | -4.62% |
| Steilacoom town | 6,049 | 6,061 | 12 | 0.20% |
| Stevenson city | 1,200 | 1,392 | 192 | 16.00% |
| Sultan city | 3,344 | 4,228 | 884 | 26.44% |
| Sumas city | 960 | 1,232 | 272 | 28.33% |
| Sumner city | 8,504 | 9,704 | 1,200 | 14.11% |
| Sunnyside city | 13,905 | 14,949 | 1,044 | 7.51% |
| Tacoma city | 193,556 | 197,181 | 3,625 | 1.87% |
| Tekoa city | 826 | 760 | -66 | -7.99% |
| Tenino city | 1,447 | 1,590 | 143 | 9.88% |
| Tieton town | 1,154 | 1,162 | 8 | 0.69% |
| Toledo city | 653 | 678 | 25 | 3.83% |
| Tonasket city | 994 | 947 | -47 | -4.73% |
| Toppenish city | 8,946 | 9,166 | 220 | 2.46% |
| Tukwila city | 17,181 | 17,092 | -89 | -0.52% |
| Tumwater city | 12,698 | 14,100 | 1,402 | 11.04% |
| Twisp town | 938 | 900 | -38 | -4.05% |
| Union Gap city | 5,621 | 5,699 | 78 | 1.39% |
| Uniontown town | 345 | 316 | -29 | -8.41% |
| University Place city | 29,933 | 30,345 | 412 | 1.38% |
| Vader city | 590 | 612 | 22 | 3.73% |
| Vancouver city | 143,560 | 163,186 | 19,626 | 13.67% |
| Waitsburg city | 1,212 | 1,230 | 18 | 1.49% |
| Walla Walla city | 29,686 | 30,643 | 957 | 3.22% |
| Wapato city | 4,582 | 4,543 | -39 | -0.85% |
| Warden city | 2,544 | 2,582 | 38 | 1.49% |
| Washougal city | 8,595 | 13,509 | 4,914 | 57.17% |
| Washtucna town | 260 | 262 | 2 | 0.77% |
| Waterville town | 1,163 | 1,129 | -34 | -2.92% |
| Waverly town | 121 | 116 | -5 | -4.13% |
| Wenatchee city | 27,856 | 29,898 | 2,042 | 7.33% |
| West Richland city | 8,385 | 10,857 | 2,472 | 29.48% |
| Westport city | 2,137 | 2,577 | 440 | 20.59% |
| White Salmon city | 2,193 | 2,411 | 218 | 9.94% |
| Wilbur town | 914 | 878 | -36 | -3.94% |
| Wilkeson town | 395 | 421 | 26 | 6.58% |
| Wilson Creek town | 227 | 243 | 16 | 7.05% |
| Winlock city | 1,166 | 1,249 | 83 | 7.12% |
| Winthrop town | 349 | 387 | 38 | 10.89% |
| Woodinville city | 9,194 | 11,240 | 2,046 | 22.25% |
| Woodland city | 3,780 | 4,843 | 1,063 | 28.12% |
| Woodway city | 936 | 1,133 | 197 | 21.05% |
| Yacolt town | 1,055 | 1,213 | 158 | 14.98% |
| Yakima city | 71,845 | 84,074 | 12,229 | 17.02% |
| Yarrow Point town | 1,008 | 1,073 | 65 | 6.45% |
| Yelm city | 3,289 | 5,800 | 2,511 | 76.35% |
| Zillah city | 2,198 | 2,674 | 476 | 21.66% |
Source: Population Division, U.S. Census Bureau