RANKING · 2020 CENSUS · 39 SHOWN OF 39

Most uninsured people, Washington counties · 2020

Washington counties with the most residents lacking health insurance, as of the 2020 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 –

01King County, WAWA2,344,939117,336–

02Pierce County, WAWA946,28851,326–

03Snohomish County, WAWA870,65648,877–

04Yakima County, WAWA259,18530,318–

05Clark County, WAWA532,11929,330–

06Spokane County, WAWA558,34426,022–

07Benton County, WAWA221,72214,148–

08Whatcom County, WAWA236,39213,145–

09Thurston County, WAWA304,26113,022–

10Franklin County, WAWA102,61212,908–

11Kitsap County, WAWA283,37411,924–

12Grant County, WAWA105,72711,327–

13Skagit County, WAWA132,9758,537–

14Chelan County, WAWA81,9416,941–

15Clallam County, WAWA78,2025,685–

16Lewis County, WAWA88,0625,644–

17Cowlitz County, WAWA114,8855,323–

18Grays Harbor County, WAWA78,1444,810–

19Douglas County, WAWA46,4734,707–

20Okanogan County, WAWA45,2304,683–

21Walla Walla County, WAWA62,3614,409–

22Mason County, WAWA71,1654,005–

23Island County, WAWA85,6573,699–

24Adams County, WAWA21,4883,105–

25Stevens County, WAWA49,6683,040–

26Whitman County, WAWA48,5122,190–

27Kittitas County, WAWA48,8032,132–

28Jefferson County, WAWA33,9701,635–

29Asotin County, WAWA22,5451,388–

30Klickitat County, WAWA24,3311,355–

31San Juan County, WAWA18,5771,185–

32Pacific County, WAWA24,3571,095–

33Pend Oreille County, WAWA14,457929–

34Skamania County, WAWA12,669565–

35Ferry County, WAWA7,517517–

36Lincoln County, WAWA11,982366–

37Columbia County, WAWA4,141264–

38Wahkiakum County, WAWA4,873192–

39Garfield County, WAWA2,416144–

SHOWING 1–39 OF 39

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS