RANKING · 2024 ACS · 39 SHOWN OF 39

Highest uninsured rate, Washington counties

Washington counties ranked by the share of residents without health insurance (2024 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

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

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS 2020

01Adams County, WAWA21,48816.0%+1%

02Okanogan County, WAWA45,23014.9%+32%

03Grant County, WAWA105,72713.6%+15%

04Douglas County, WAWA46,47313.3%+20%

05Franklin County, WAWA102,61213.2%−6%

06Yakima County, WAWA259,18512.7%+4%

07Chelan County, WAWA81,94110.5%+15%

08Benton County, WAWA221,7227.9%+11%

09Columbia County, WAWA4,1417.8%+18%

10Grays Harbor County, WAWA78,1447.6%+12%

11Walla Walla County, WAWA62,3616.9%−9%

12Clallam County, WAWA78,2026.7%−11%

13Clark County, WAWA532,1196.7%+10%

14Mason County, WAWA71,1656.7%+8%

15Skamania County, WAWA12,6696.5%+35%

16Klickitat County, WAWA24,3316.4%+3%

17Skagit County, WAWA132,9756.4%−6%

18Lewis County, WAWA88,0626.3%−13%

19Cowlitz County, WAWA114,8856.2%+24%

20Snohomish County, WAWA870,6566.2%+2%

21Pend Oreille County, WAWA14,4576.1%−12%

22Asotin County, WAWA22,5456.0%−3%

23San Juan County, WAWA18,5776.0%−14%

24Pierce County, WAWA946,2885.9%+0%

25Whatcom County, WAWA236,3925.8%−2%

26Kittitas County, WAWA48,8035.8%+26%

27Ferry County, WAWA7,5175.7%−16%

28Pacific County, WAWA24,3575.7%+14%

29Stevens County, WAWA49,6685.6%−18%

30Whitman County, WAWA48,5125.5%+25%

31King County, WAWA2,344,9395.2%−2%

32Kitsap County, WAWA283,3745.1%+9%

33Spokane County, WAWA558,3445.1%−2%

34Thurston County, WAWA304,2615.0%+6%

35Island County, WAWA85,6574.5%−6%

36Wahkiakum County, WAWA4,8734.3%−4%

37Garfield County, WAWA2,4164.3%−33%

38Jefferson County, WAWA33,9703.8%−28%

39Lincoln County, WAWA11,9823.4%+0%

SHOWING 1–39 OF 39

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