RANKING · 2020 CENSUS · 36 SHOWN OF 36

Least segregated, Washington counties · 2020

Washington counties with the lowest CensusEasy Segregation Score, where residents of every race are spread most evenly across neighborhoods (2020 ACS). This list covers the 36 counties in Washington that qualify, ranked against each other statewide. The median across all 36 is 26.

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SAME RANKING BYMetros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPSEGREGATION SCOREVS –

01San Juan County, WAWA18,57713–

02Skamania County, WAWA12,66913–

03Lewis County, WAWA88,06215–

04Pend Oreille County, WAWA14,45717–

05Kittitas County, WAWA48,80317–

06Lincoln County, WAWA11,98218–

07Jefferson County, WAWA33,97018–

08Pacific County, WAWA24,35720–

09Thurston County, WAWA304,26121–

10Cowlitz County, WAWA114,88523–

11Whatcom County, WAWA236,39223–

12Douglas County, WAWA46,47323–

13Kitsap County, WAWA283,37424–

14Spokane County, WAWA558,34425–

15Mason County, WAWA71,16525–

16Walla Walla County, WAWA62,36126–

17Whitman County, WAWA48,51226–

18Clark County, WAWA532,11926–

19Grays Harbor County, WAWA78,14426–

20Asotin County, WAWA22,54527–

21Snohomish County, WAWA870,65627–

22Klickitat County, WAWA24,33127–

23Benton County, WAWA221,72228–

24King County, WAWA2,344,93931–

25Pierce County, WAWA946,28831–

26Skagit County, WAWA132,97531–

27Clallam County, WAWA78,20232–

28Chelan County, WAWA81,94132–

29Island County, WAWA85,65737–

30Franklin County, WAWA102,61237–

31Stevens County, WAWA49,66837–

32Okanogan County, WAWA45,23038–

33Grant County, WAWA105,72740–

34Adams County, WAWA21,48843–

35Yakima County, WAWA259,18548–

36Ferry County, WAWA7,51749–

SHOWING 1–36 OF 36

Download CSV (full list, 36 rows)How this score is calculated

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