RANKING · 2024 ACS · 39 SHOWN OF 39

Most equal income distribution, Washington counties

Washington counties with the lowest income inequality, measured by the Gini index (2023 ACS). 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

YEAR2010 2024

RANKPLACESTATEPOPINCOME INEQUALITY (GINI)VS 2000

01Thurston County, WAWA304,2610.403–

02Mason County, WAWA71,1650.409–

03Garfield County, WAWA2,4160.410–

04Island County, WAWA85,6570.420–

05Pierce County, WAWA946,2880.423–

06Franklin County, WAWA102,6120.424–

07Lewis County, WAWA88,0620.424–

08Yakima County, WAWA259,1850.425–

09Cowlitz County, WAWA114,8850.425–

10Ferry County, WAWA7,5170.428–

11Clark County, WAWA532,1190.431–

12Douglas County, WAWA46,4730.431–

13Columbia County, WAWA4,1410.432–

14Skagit County, WAWA132,9750.433–

15Snohomish County, WAWA870,6560.433–

16Kitsap County, WAWA283,3740.433–

17Grays Harbor County, WAWA78,1440.436–

18Skamania County, WAWA12,6690.436–

19Benton County, WAWA221,7220.438–

20Grant County, WAWA105,7270.442–

21Pend Oreille County, WAWA14,4570.445–

22Lincoln County, WAWA11,9820.445–

23Clallam County, WAWA78,2020.451–

24Spokane County, WAWA558,3440.451–

25Klickitat County, WAWA24,3310.453–

26Asotin County, WAWA22,5450.456–

27Stevens County, WAWA49,6680.459–

28Okanogan County, WAWA45,2300.459–

29Walla Walla County, WAWA62,3610.462–

30Whatcom County, WAWA236,3920.462–

31Chelan County, WAWA81,9410.465–

32Kittitas County, WAWA48,8030.474–

33Wahkiakum County, WAWA4,8730.479–

34Adams County, WAWA21,4880.479–

35King County, WAWA2,344,9390.483–

36Jefferson County, WAWA33,9700.487–

37Pacific County, WAWA24,3570.488–

38Whitman County, WAWA48,5120.520–

39San Juan County, WAWA18,5770.532–

SHOWING 1–39 OF 39

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