RANKING · 1990 CENSUS · 39 SHOWN OF 39

Highest per-capita income, Washington counties · 1990

Washington counties ranked by per-capita income (1990 ACS) — total personal income divided by every resident, including children. 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

RANKPLACESTATEPOPPER CAPITA INCOMEVS –

01San Juan County, WAWA18,577$21,013–

02King County, WAWA2,344,939$18,587–

03Snohomish County, WAWA870,656$15,769–

04Kitsap County, WAWA283,374$14,311–

05Benton County, WAWA221,722$14,027–

06Clark County, WAWA532,119$13,993–

07Island County, WAWA85,657$13,940–

08Thurston County, WAWA304,261$13,901–

09Skagit County, WAWA132,975$13,804–

10Whatcom County, WAWA236,392$13,753–

11Jefferson County, WAWA33,970$13,551–

12Pierce County, WAWA946,288$13,439–

13Spokane County, WAWA558,344$12,804–

14Clallam County, WAWA78,202$12,798–

15Cowlitz County, WAWA114,885$12,638–

16Chelan County, WAWA81,941$12,533–

17Wahkiakum County, WAWA4,873$12,332–

18Garfield County, WAWA2,416$12,209–

19Douglas County, WAWA46,473$12,071–

20Mason County, WAWA71,165$12,050–

21Lincoln County, WAWA11,982$11,977–

22Grays Harbor County, WAWA78,144$11,787–

23Skamania County, WAWA12,669$11,621–

24Walla Walla County, WAWA62,361$11,508–

25Asotin County, WAWA22,545$11,379–

26Lewis County, WAWA88,062$11,205–

27Columbia County, WAWA4,141$11,108–

28Pacific County, WAWA24,357$10,952–

29Kittitas County, WAWA48,803$10,781–

30Klickitat County, WAWA24,331$10,776–

31Yakima County, WAWA259,185$10,735–

32Whitman County, WAWA48,512$10,653–

33Stevens County, WAWA49,668$10,584–

34Franklin County, WAWA102,612$10,407–

35Grant County, WAWA105,727$10,376–

36Okanogan County, WAWA45,230$10,346–

37Adams County, WAWA21,488$10,083–

38Ferry County, WAWA7,517$9,860–

39Pend Oreille County, WAWA14,457$9,556–

SHOWING 1–39 OF 39

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS