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%+0.1 pts

02Okanogan County, WAWA45,23014.9%+3.6 pts

03Grant County, WAWA105,72713.6%+1.8 pts

04Douglas County, WAWA46,47313.3%+2.2 pts

05Franklin County, WAWA102,61213.2%−0.9 pts

06Yakima County, WAWA259,18512.7%+0.5 pts

07Chelan County, WAWA81,94110.5%+1.4 pts

08Benton County, WAWA221,7227.9%+0.8 pts

09Columbia County, WAWA4,1417.8%+1.2 pts

10Grays Harbor County, WAWA78,1447.6%+0.8 pts

11Walla Walla County, WAWA62,3616.9%−0.7 pts

12Clark County, WAWA532,1196.7%+0.6 pts

13Mason County, WAWA71,1656.7%+0.5 pts

14Clallam County, WAWA78,2026.7%−0.8 pts

15Skamania County, WAWA12,6696.5%+1.7 pts

16Klickitat County, WAWA24,3316.4%+0.2 pts

17Skagit County, WAWA132,9756.4%−0.4 pts

18Lewis County, WAWA88,0626.3%−0.9 pts

19Cowlitz County, WAWA114,8856.2%+1.2 pts

20Snohomish County, WAWA870,6566.2%+0.1 pts

21Pend Oreille County, WAWA14,4576.1%−0.8 pts

22San Juan County, WAWA18,5776.0%−1.0 pts

23Asotin County, WAWA22,5456.0%−0.2 pts

24Pierce County, WAWA946,2885.9%+0.0 pts

25Whatcom County, WAWA236,3925.8%−0.1 pts

26Kittitas County, WAWA48,8035.8%+1.2 pts

27Ferry County, WAWA7,5175.7%−1.1 pts

28Pacific County, WAWA24,3575.7%+0.7 pts

29Stevens County, WAWA49,6685.6%−1.2 pts

30Whitman County, WAWA48,5125.5%+1.1 pts

31King County, WAWA2,344,9395.2%−0.1 pts

32Kitsap County, WAWA283,3745.1%+0.4 pts

33Spokane County, WAWA558,3445.1%−0.1 pts

34Thurston County, WAWA304,2615.0%+0.3 pts

35Island County, WAWA85,6574.5%−0.3 pts

36Wahkiakum County, WAWA4,8734.3%−0.2 pts

37Garfield County, WAWA2,4164.3%−2.1 pts

38Jefferson County, WAWA33,9703.8%−1.5 pts

39Lincoln County, WAWA11,9823.4%+0.0 pts

SHOWING 1–39 OF 39

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES