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Washington Census Data

  1. Washington Cities & Towns: Absolute & Relative Change (%) from 2000 to 2009
  2. Washington Cities & Towns: Population Estimates From 2000 to 2009
  3. Washington Quick Facts: People, Business & Geography (U.S. Census Bureau)
  4. 2010 Census: Washington Profile (PDF)

Census Data for Washington Counties

(Links below lead to Quick Facts for Washington Counties: People, Business & Geography at U.S. Census Bureau.)

Area 7/1/2009 7/1/2008 7/1/2007 7/1/2006 7/1/2005 7/1/2004 7/1/2003 7/1/2002 7/1/2001 7/1/2000 Census 2000
Washington 6,664,195 6,566,073 6,464,979 6,372,243 6,261,282 6,184,289 6,113,262 6,056,187 5,987,785 5,911,122 5,894,121
Adams County 17,732 17,257 16,943 16,615 16,599 16,415 16,425 16,325 16,196 16,450 16,428
Asotin County 21,432 21,385 21,167 21,108 20,899 20,787 20,499 20,511 20,467 20,555 20,551
Benton County 168,294 164,020 159,444 157,577 156,050 154,366 152,586 149,718 145,611 143,108 142,475
Chelan County 72,372 71,308 70,677 69,919 69,066 68,152 67,377 66,927 66,692 66,688 66,616
Clallam County 71,413 70,937 70,272 69,671 68,749 67,446 66,349 65,819 64,792 64,285 64,525
Clark County 432,002 424,666 416,662 408,140 399,553 389,151 377,233 368,690 358,517 347,525 345,238
Columbia County 4,040 3,970 3,954 3,943 4,015 4,062 4,029 4,016 4,045 4,071 4,064
Cowlitz County 101,966 101,537 100,557 98,953 96,359 95,424 94,427 94,313 93,623 93,012 92,948
Douglas County 37,565 36,993 36,322 35,370 34,473 33,980 33,405 33,017 32,784 32,691 32,603
Ferry County 7,520 7,393 7,362 7,501 7,443 7,437 7,388 7,261 7,277 7,276 7,260
Franklin County 77,355 73,186 69,518 66,143 62,581 59,112 56,128 52,831 50,771 49,602 49,347
Garfield County 2,101 2,117 2,091 2,147 2,189 2,203 2,268 2,265 2,302 2,389 2,397
Grant County 88,098 85,616 83,111 81,390 79,845 78,982 78,148 77,129 76,171 74,959 74,698
Grays Harbor County 71,797 71,447 71,343 70,854 70,144 69,634 69,036 68,313 68,004 67,149 67,194
Island County 81,054 80,847 80,860 81,109 79,744 79,372 76,666 75,603 74,161 71,847 71,558
Jefferson County 29,676 29,592 29,273 29,144 28,430 27,886 27,542 27,182 26,836 26,418 25,953
King County 1,916,441 1,884,242 1,857,506 1,832,059 1,803,691 1,782,942 1,769,753 1,763,669 1,756,988 1,739,277 1,737,034
Kitsap County 240,862 239,865 238,087 239,543 235,769 239,311 238,988 235,499 233,348 232,355 231,969
Kittitas County 39,532 39,151 38,384 38,057 37,015 36,545 35,424 34,777 33,894 33,511 33,362
Klickitat County 20,554 20,391 20,109 19,864 19,411 19,343 19,328 19,132 19,208 19,214 19,161
Lewis County 74,741 74,362 73,699 72,833 71,661 70,722 70,146 69,349 68,899 68,618 68,600
Lincoln County 10,248 10,322 10,266 10,204 10,177 10,310 10,118 10,048 10,116 10,175 10,184
Mason County 58,016 57,717 56,823 55,265 53,884 52,771 51,564 50,701 49,994 49,554 49,405
Okanogan County 40,552 40,115 39,589 39,218 39,056 38,790 38,529 38,849 39,117 39,554 39,564
Pacific County 21,272 21,358 21,458 21,354 21,262 20,994 20,923 20,551 20,653 20,932 20,984
Pend Oreille County 12,946 12,948 12,792 12,652 12,341 12,246 12,048 11,972 11,861 11,738 11,732
Pierce County 796,836 787,099 774,049 764,241 749,468 741,321 736,260 728,555 716,248 703,985 700,820
San Juan County 15,484 15,462 15,280 15,164 15,083 15,013 14,748 14,616 14,343 14,145 14,077
Skagit County 119,534 118,373 116,261 114,416 112,176 110,243 108,319 106,208 104,876 103,475 102,979
Skamania County 10,894 10,864 10,749 10,549 10,272 10,213 10,028 9,879 9,829 9,893 9,872
Snohomish County 694,571 685,296 675,805 663,645 649,229 639,440 632,925 629,671 621,144 609,117 606,024
Spokane County 468,684 462,408 456,187 447,211 440,145 435,011 430,867 427,045 422,803 418,826 417,939
Stevens County 42,334 42,183 41,953 41,392 40,803 40,383 40,106 40,020 40,038 40,179 40,066
Thurston County 250,979 245,571 238,717 233,335 227,638 223,535 220,081 216,607 212,544 208,304 207,355
Wahkiakum County 4,062 4,058 3,985 3,940 3,828 3,736 3,663 3,792 3,780 3,837 3,824
Walla Walla County 59,059 58,149 57,509 57,236 57,021 57,035 56,416 55,903 55,218 55,227 55,180
Whatcom County 200,434 196,960 192,843 188,837 185,356 181,715 177,821 174,980 171,250 167,760 166,814
Whitman County 42,689 42,027 41,084 41,473 41,694 41,248 40,751 41,050 40,579 40,725 40,740
Yakima County 239,054 234,881 232,288 230,171 228,163 227,013 224,950 223,394 222,806 222,696 222,581

Source: Population Division, U.S. Census Bureau