RANKING · 2020 CENSUS · 39 SHOWN OF 39

Highest uninsured rate, Washington counties · 2020

Washington counties ranked by the share of residents without health insurance (2023 ACS). This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

WashingtonAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Youngest by median age Most foreign-born residents Most women Most men Highest disability rate

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS 2000

01Adams County, WAWA21,48815.9%–

02Franklin County, WAWA102,61214.1%–

03Yakima County, WAWA259,18512.2%–

04Grant County, WAWA105,72711.8%–

05Okanogan County, WAWA45,23011.3%–

06Douglas County, WAWA46,47311.1%–

07Chelan County, WAWA81,9419.1%–

08Walla Walla County, WAWA62,3617.6%–

09Clallam County, WAWA78,2027.5%–

10Lewis County, WAWA88,0627.2%–

11Benton County, WAWA221,7227.1%–

12San Juan County, WAWA18,5777.0%–

13Pend Oreille County, WAWA14,4576.9%–

14Ferry County, WAWA7,5176.8%–

15Grays Harbor County, WAWA78,1446.8%–

16Skagit County, WAWA132,9756.8%–

17Stevens County, WAWA49,6686.8%–

18Columbia County, WAWA4,1416.6%–

19Garfield County, WAWA2,4166.4%–

20Asotin County, WAWA22,5456.2%–

21Klickitat County, WAWA24,3316.2%–

22Mason County, WAWA71,1656.2%–

23Clark County, WAWA532,1196.1%–

24Snohomish County, WAWA870,6566.1%–

25Whatcom County, WAWA236,3925.9%–

26Pierce County, WAWA946,2885.9%–

27Jefferson County, WAWA33,9705.3%–

28King County, WAWA2,344,9395.3%–

29Spokane County, WAWA558,3445.2%–

30Cowlitz County, WAWA114,8855.0%–

31Pacific County, WAWA24,3575.0%–

32Island County, WAWA85,6574.8%–

33Skamania County, WAWA12,6694.8%–

34Kitsap County, WAWA283,3744.7%–

35Thurston County, WAWA304,2614.7%–

36Kittitas County, WAWA48,8034.6%–

37Wahkiakum County, WAWA4,8734.5%–

38Whitman County, WAWA48,5124.4%–

39Lincoln County, WAWA11,9823.4%–

SHOWING 1–39 OF 39

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES