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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.

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The population figures shown below reflect the official April 1, 2020 total countywide (incorporated plus unincorporated) population estimates released by the Washington Office of Financial Management (OFM). The 2021 population estimates will be released around June 30, 2021. To see recent population trends or a county's unincorporated population, refer to our Tax and Population Data topic page.



County Website Population (2020) County Code Budget Comp Plan Officials (WACO) Officials (WSAC)
Adams County 20,450 WACO WSAC
Asotin County 22,640 Budget WACO WSAC
Benton County 205,700 Code Budget WACO WSAC
Chelan County 79,660 Code Budget Comp Plan WACO WSAC
Clallam County 76,770 Code Budget Comp Plan WACO WSAC
Clark County 499,200 Code Budget Comp Plan WACO WSAC
Columbia County 4,185 Code Comp Plan WACO WSAC
Cowlitz County 110,500 Code Budget Comp Plan WACO WSAC
Douglas County 43,750 Code Budget WACO WSAC
Ferry County 7,910 Budget Comp Plan WACO WSAC
Franklin County 96,760 Code Budget Comp Plan WACO WSAC
Garfield County 2,225 Comp Plan WACO WSAC
Grant County 100,130 Code Budget Comp Plan WACO WSAC
Grays Harbor County 74,720 Code Budget Comp Plan WACO WSAC
Island County 85,530 Code Budget Comp Plan WACO WSAC
Jefferson County 32,190 Code Budget Comp Plan WACO WSAC
King County 2,260,800 Code Budget Comp Plan WACO WSAC
Kitsap County 272,200 Code Budget Comp Plan WACO WSAC
Kittitas County 48,140 Code Budget Comp Plan WACO WSAC
Klickitat County 22,770 Code Budget WACO WSAC
Lewis County 80,250 Code Budget Comp Plan WACO WSAC
Lincoln County 11,050 Code Budget Comp Plan WACO WSAC
Mason County 65,650 Code Budget Comp Plan WACO WSAC
Okanogan County 43,130 Code Budget Comp Plan WACO WSAC
Pacific County 21,840 Budget Comp Plan WACO WSAC
Pend Oreille County 13,850 Budget Comp Plan WACO WSAC
Pierce County 900,700 Code Budget Comp Plan WACO WSAC
San Juan County 17,340 Code Budget Comp Plan WACO WSAC
Skagit County 130,450 Code Budget Comp Plan WACO WSAC
Skamania County 12,220 Code Budget Comp Plan WACO WSAC
Snohomish County 830,500 Code Budget Comp Plan WACO WSAC
Spokane County 522,600 Code Budget Comp Plan WACO WSAC
Stevens County 45,920 WACO WSAC
Thurston County 291,000 Code Budget Comp Plan WACO WSAC
Wahkiakum County 4,210 Code Comp Plan WACO WSAC
Walla Walla County 62,580 Code Budget Comp Plan WACO WSAC
Whatcom County 228,000 Code Budget Comp Plan WACO WSAC
Whitman County 50,480 Code Budget Comp Plan WACO WSAC
Yakima County 258,200 Code Budget Comp Plan WACO WSAC
 more