Washington

Washington has 39 Counties.

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Washington Data Sets
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  • Washington Links

  • State of Washington Website
  • Census Bureau QuickFacts
  • Census Bureau USA Counties Profile
  • FEDSTATS
  • 50States.com

  • Washington Association of County Officials
    206 10th Avenue SE
    Olympia, WA 98501-1333
    Phone: (360) 753-7319
    Fax: (360)664-2812
    http://www.wacounties.org/waco/

    Washington State Association of Counties
    206 10th Avenue, SE
    Olympia, WA 98501-1333
    Phone: (360)753-1886
    Fax: (360)753-2842
    http://wacounties.org/wsac/

    County NACo
    Member
    2010
    Population
    Square
    Miles
    County Seat Board
    Size
    Founded
    Adams   18,728 1,925 Ritzville   1883 
    Asotin 21,623 636 Asotin   1883 
    Benton 175,177 1,700 Prosser   1905 
    Chelan 72,453 2,921 Wenatchee   1899 
    Clallam 71,404 1,738 Port Angeles   1854 
    Clark 425,363 629 Vancouver   1845 
    Columbia 4,078 869 Dayton   1875 
    Cowlitz 102,410 1,140 Kelso   1854 
    Douglas 38,431 1,819 Waterville   1883 
    Ferry 7,551 2,203 Republic   1899 
    Franklin 78,163 1,242 Pasco   1883 
    Garfield 2,266 711 Pomeroy   1881 
    Grant 89,120 2,680 Ephrata   1909 
    Grays Harbor 72,797 1,902 Montesano   1855 
    Island 78,506 208 Coupeville   1854 
    Jefferson 29,872 1,804 Port Townsend   1854 
    King 1,931,249 2,116 Seattle   1852 
    Kitsap 251,133 395 Port Orchard   1857 
    Kittitas 40,915 2,297 Ellensburg   1883 
    Klickitat 20,318 1,871 Goldendale   1859 
    Lewis 75,455 2,403 Chehalis   1845 
    Lincoln 10,570 2,310 Davenport   1883 
    Mason 60,699 959 Shelton   1854 
    Okanogan 41,120 5,268 Okanogan   1888 
    Pacific 20,920 933 South Bend  1854 
    Pend Oreille 13,001 1,400 Newport   1911 
    Pierce 795,225 1,670 Tacoma  1853 
    San Juan 15,769 174 Friday Harbor   1873 
    Skagit 116,901 1,731 Mount Vernon   1883 
    Skamania 11,066 1,656 Stevenson   1854 
    Snohomish 713,335 2,087 Everett   1861 
    Spokane 471,221 1,764 Spokane   1858 
    Stevens 43,531 2,478 Colville   1854 
    Thurston 252,264 722 Olympia  1852 
    Wahkiakum 3,978 263 Cathlamet   1854 
    Walla Walla 58,781 1,270 Walla Walla   1854 
    Whatcom 201,140 2,107 Bellingham   1854 
    Whitman 44,776 2,159 Colfax   1871 
    Yakima 243,231 4,295 Yakima   1865