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Washington County Profiles

Below are profiles for all 39 counties in Washington State, including information on population size and links to the county website, county codes, budget, comprehensive plan, and county officials.

Want to search multiple county websites at once? Use our Custom County Website Search!

The population figures shown below reflect the official April 1, 2018 total countywide population estimates released by the Washington Office of Financial Management (OFM). The 2019 population estimates will be released around June 30, 2019. To see recent population trends or a county's unincorporated population, refer to our Tax and Population Data topic page.


County Website Population (2018) County Code Budget Comp Plan Officials (WACO) Officials (WSAC)
Adams County 20,020 WACO WSAC
Asotin County 22,420 Budget WACO WSAC
Benton County 197,420 Code Budget Comp Plan WACO WSAC
Chelan County 77,800 Code Budget Comp Plan WACO WSAC
Clallam County 75,130 Code Budget Comp Plan WACO WSAC
Clark County 479,500 Code Budget Comp Plan WACO WSAC
Columbia County 4,150 Code Budget Comp Plan WACO WSAC
Cowlitz County 107,310 Code Budget WACO WSAC
Douglas County 42,120 Code WACO WSAC
Ferry County 7,780 Budget Comp Plan WACO WSAC
Franklin County 92,540 Code Budget Comp Plan WACO WSAC
Garfield County 2,210 Budget WACO WSAC
Grant County 97,350 Code Comp Plan WACO WSAC
Grays Harbor County 73,610 Code Budget Comp Plan WACO WSAC
Island County 83,860 Code Budget Comp Plan WACO WSAC
Jefferson County 31,590 Code Budget Comp Plan WACO WSAC
King County 2,190,200 Code Budget Comp Plan WACO WSAC
Kitsap County 267,120 Code Budget Comp Plan WACO WSAC
Kittitas County 45,600 Code Budget Comp Plan WACO WSAC
Klickitat County 21,980 Code Budget WACO WSAC
Lewis County 78,380 Code Budget Comp Plan WACO WSAC
Lincoln County 10,810 Code Budget WACO WSAC
Mason County 64,020 Code Budget Comp Plan WACO WSAC
Okanogan County 42,490 Code Budget Comp Plan WACO WSAC
Pacific County 21,420 Budget Comp Plan WACO WSAC
Pend Oreille County 13,540 Budget Comp Plan WACO WSAC
Pierce County 872,220 Code Budget Comp Plan WACO WSAC
San Juan County 16,810 Code Budget Comp Plan WACO WSAC
Skagit County 126,520 Code Budget Comp Plan WACO WSAC
Skamania County 11,890 Code Budget Comp Plan WACO WSAC
Snohomish County 805,120 Code Budget Comp Plan WACO WSAC
Spokane County 507,950 Code Budget Comp Plan WACO WSAC
Stevens County 45,030 Budget WACO WSAC
Thurston County 281,700 Code Budget Comp Plan WACO WSAC
Wahkiakum County 4,100 Code WACO WSAC
Walla Walla County 61,800 Code Budget Comp Plan WACO WSAC
Whatcom County 220,350 Code Budget Comp Plan WACO WSAC
Whitman County 49,210 Code Budget Comp Plan WACO WSAC
Yakima County 254,500 Code Budget Comp Plan WACO WSAC
 more