RANKING · 1990 CENSUS · 39 SHOWN OF 39

Lowest median household income, Washington counties · 1990

Washington counties with the lowest median household income in the 1990 American Community Survey 5-year estimates. This list covers the 39 counties in Washington that qualify, ranked against each other statewide. The median across all 39 is $25,170.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDHighest median household income Highest per-capita income Lowest poverty rate Highest poverty rate Most residents in poverty Most six-figure households

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN HOUSEHOLD INCOMEVS –

01Pacific County, WAWA24,357$20,029–

02Okanogan County, WAWA45,230$20,303–

03Kittitas County, WAWA48,803$20,489–

04Pend Oreille County, WAWA14,457$20,808–

05Whitman County, WAWA48,512$21,674–

06Grant County, WAWA105,727$22,372–

07Columbia County, WAWA4,141$22,418–

08Asotin County, WAWA22,545$22,897–

09Klickitat County, WAWA24,331$23,012–

10Grays Harbor County, WAWA78,144$23,042–

11Yakima County, WAWA259,185$23,612–

12Chelan County, WAWA81,941$24,312–

13Lewis County, WAWA88,062$24,410–

14Walla Walla County, WAWA62,361$24,414–

15Stevens County, WAWA49,668$24,440–

16Franklin County, WAWA102,612$24,604–

17Adams County, WAWA21,488$24,604–

18Lincoln County, WAWA11,982$24,617–

19Garfield County, WAWA2,416$25,156–

20Ferry County, WAWA7,517$25,170–

21Jefferson County, WAWA33,970$25,197–

22Clallam County, WAWA78,202$25,434–

23Spokane County, WAWA558,344$25,769–

24Mason County, WAWA71,165$26,304–

25Wahkiakum County, WAWA4,873$26,969–

26Douglas County, WAWA46,473$27,054–

27Cowlitz County, WAWA114,885$27,866–

28Whatcom County, WAWA236,392$28,367–

29Skagit County, WAWA132,975$28,389–

30Skamania County, WAWA12,669$28,778–

31Island County, WAWA85,657$29,161–

32Pierce County, WAWA946,288$30,412–

33Thurston County, WAWA304,261$30,976–

34San Juan County, WAWA18,577$31,278–

35Clark County, WAWA532,119$31,800–

36Kitsap County, WAWA283,374$32,043–

37Benton County, WAWA221,722$32,593–

38King County, WAWA2,344,939$36,179–

39Snohomish County, WAWA870,656$36,847–

SHOWING 1–39 OF 39

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS