RANKING · 2024 ACS · 36 SHOWN OF 36

Least segregated, Washington counties

Washington counties with the lowest CensusEasy Segregation Score, where residents of every race are spread most evenly across neighborhoods (2024 ACS). This list covers the 36 counties in Washington that qualify, ranked against each other statewide. The median across all 36 is 21. Biggest climber in the top 100 since 2020: Klickitat County, WA, up 17 places to #5.

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

RANKPLACESTATEPOPSEGREGATION SCOREVS 2020

01▲5Lincoln County, WAWA11,9829−51%

02Skamania County, WAWA12,6699−31%

03▲1Pend Oreille County, WAWA14,45712−30%

04▲8Douglas County, WAWA46,47312−49%

05▲17Klickitat County, WAWA24,33113−55%

06▼1Kittitas County, WAWA48,80314−16%

07Jefferson County, WAWA33,97015−19%

08▲9Whitman County, WAWA48,51215−41%

09▼6Lewis County, WAWA88,06215+1%

10▲1Whatcom County, WAWA236,39216−31%

11▼10San Juan County, WAWA18,57716+27%

12▲8Asotin County, WAWA22,54517−38%

13▲3Walla Walla County, WAWA62,36118−31%

14▼5Thurston County, WAWA304,26118−16%

15▼7Pacific County, WAWA24,35718−10%

16▼6Cowlitz County, WAWA114,88520−13%

17▼3Spokane County, WAWA558,34420−21%

18▼5Kitsap County, WAWA283,37420−15%

19▼4Mason County, WAWA71,16521−15%

20▼2Clark County, WAWA532,11922−16%

21▲10Stevens County, WAWA49,66823−39%

22▼3Grays Harbor County, WAWA78,14424−8%

23Benton County, WAWA221,72224−13%

24▼3Snohomish County, WAWA870,65625−9%

25▲2Clallam County, WAWA78,20227−16%

26▲2Chelan County, WAWA81,94127−16%

27▼2Pierce County, WAWA946,28829−9%

28▼4King County, WAWA2,344,93929−5%

29▼3Skagit County, WAWA132,97530−5%

30▲3Grant County, WAWA105,72732−21%

31▼2Island County, WAWA85,65734−9%

32▼2Franklin County, WAWA102,61235−7%

33▼1Okanogan County, WAWA45,23038−2%

34▲1Yakima County, WAWA259,18544−8%

35▼1Adams County, WAWA21,48845+5%

36Ferry County, WAWA7,51752+7%

SHOWING 1–36 OF 36

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES