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. The median across all 39 is $12,050.

WashingtonAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

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

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

Download CSV (full list, 39 rows)

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