RANKING · 2024 ACS · 39 SHOWN OF 39

Most uninsured people, Washington counties

Washington counties with the most residents lacking health insurance, as of the 2024 American Community Survey. Ranked by number of people, not the uninsured rate. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

RANKPLACESTATEPOPUNINSURED RESIDENTSVS 2020

01King County, WAWA2,344,939119,199+2%

02Pierce County, WAWA946,28853,478+4%

03Snohomish County, WAWA870,65651,757+6%

04Clark County, WAWA532,11934,370+17%

05Yakima County, WAWA259,18532,507+7%

06Spokane County, WAWA558,34427,567+6%

07Benton County, WAWA221,72216,743+18%

08Thurston County, WAWA304,26114,412+11%

09Grant County, WAWA105,72713,787+22%

10Kitsap County, WAWA283,37413,304+12%

11Whatcom County, WAWA236,39213,247+1%

12Franklin County, WAWA102,61212,773−1%

13Chelan County, WAWA81,9418,366+21%

14Skagit County, WAWA132,9758,325−2%

15Cowlitz County, WAWA114,8856,883+29%

16Okanogan County, WAWA45,2306,399+37%

17Douglas County, WAWA46,4735,896+25%

18Grays Harbor County, WAWA78,1445,642+17%

19Lewis County, WAWA88,0625,348−5%

20Clallam County, WAWA78,2025,152−9%

21Mason County, WAWA71,1654,419+10%

22Walla Walla County, WAWA62,3614,127−6%

23Island County, WAWA85,6573,599−3%

24Adams County, WAWA21,4883,297+6%

25Kittitas County, WAWA48,8032,728+28%

26Stevens County, WAWA49,6682,691−11%

27Whitman County, WAWA48,5122,550+16%

28Klickitat County, WAWA24,3311,505+11%

29Pacific County, WAWA24,3571,351+23%

30Asotin County, WAWA22,5451,339−4%

31Jefferson County, WAWA33,9701,246−24%

32San Juan County, WAWA18,5771,106−7%

33Pend Oreille County, WAWA14,457848−9%

34Skamania County, WAWA12,669805+42%

35Ferry County, WAWA7,517414−20%

36Lincoln County, WAWA11,982392+7%

37Columbia County, WAWA4,141312+18%

38Wahkiakum County, WAWA4,873200+4%

39Garfield County, WAWA2,416101−30%

SHOWING 1–39 OF 39

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES