RANKING · 2010 CENSUS · 39 SHOWN OF 39

Highest median household income, Washington counties · 2010

Washington counties ranked by median household income from the 2023 American Community Survey 5-year estimates. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN HOUSEHOLD INCOMEVS 2000

01King County, WAWA2,344,939$68,065+28%

02Snohomish County, WAWA870,656$66,300+25%

03Thurston County, WAWA304,261$60,930+30%

04Kitsap County, WAWA283,374$59,549+27%

05Clark County, WAWA532,119$58,262+20%

06Pierce County, WAWA946,288$57,869+28%

07Benton County, WAWA221,722$57,354+22%

08Island County, WAWA85,657$57,190+26%

09Skagit County, WAWA132,975$54,811+29%

10San Juan County, WAWA18,577$50,726+17%

11Whatcom County, WAWA236,392$49,031+23%

12Douglas County, WAWA46,473$48,708+27%

13Skamania County, WAWA12,669$48,704+24%

14Chelan County, WAWA81,941$48,674+30%

15Mason County, WAWA71,165$48,104+22%

16Franklin County, WAWA102,612$47,749+22%

17Spokane County, WAWA558,344$47,250+27%

18Jefferson County, WAWA33,970$46,048+22%

19Cowlitz County, WAWA114,885$45,877+15%

20Lincoln County, WAWA11,982$45,582+29%

21Walla Walla County, WAWA62,361$45,575+27%

22Clallam County, WAWA78,202$44,398+22%

23Lewis County, WAWA88,062$43,874+24%

24Columbia County, WAWA4,141$43,611+30%

25Yakima County, WAWA259,185$42,877+23%

26Stevens County, WAWA49,668$42,845+24%

27Grant County, WAWA105,727$42,572+21%

28Garfield County, WAWA2,416$42,269+27%

29Grays Harbor County, WAWA78,144$41,899+23%

30Asotin County, WAWA22,545$41,665+24%

31Kittitas County, WAWA48,803$41,232+27%

32Adams County, WAWA21,488$40,829+20%

33Wahkiakum County, WAWA4,873$40,372+2%

34Pacific County, WAWA24,357$39,642+27%

35Pend Oreille County, WAWA14,457$38,896+23%

36Okanogan County, WAWA45,230$38,551+30%

37Klickitat County, WAWA24,331$37,398+9%

38Whitman County, WAWA48,512$36,368+27%

39Ferry County, WAWA7,517$35,485+17%

SHOWING 1–39 OF 39

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES