RANKING · 2020 CENSUS · 39 SHOWN OF 39

Highest Medicare coverage, Washington counties · 2020

Washington counties ranked by the share of people covered by Medicare, alone or in combination with other coverage (2020 ACS). A close proxy for retirement geography. 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

RANKPLACESTATEPOPMEDICAREVS –

01Jefferson County, WAWA33,97039.1%–

02Wahkiakum County, WAWA4,87335.1%–

03Pacific County, WAWA24,35734.9%–

04San Juan County, WAWA18,57733.2%–

05Clallam County, WAWA78,20232.3%–

06Ferry County, WAWA7,51732.2%–

07Columbia County, WAWA4,14130.5%–

08Pend Oreille County, WAWA14,45729.6%–

09Island County, WAWA85,65727.8%–

10Stevens County, WAWA49,66827.3%–

11Lincoln County, WAWA11,98227.0%–

12Mason County, WAWA71,16526.7%–

13Garfield County, WAWA2,41626.6%–

14Grays Harbor County, WAWA78,14426.1%–

15Asotin County, WAWA22,54526.0%–

16Klickitat County, WAWA24,33126.0%–

17Okanogan County, WAWA45,23024.5%–

18Lewis County, WAWA88,06224.4%–

19Skagit County, WAWA132,97522.3%–

20Skamania County, WAWA12,66922.2%–

21Cowlitz County, WAWA114,88521.7%–

22Chelan County, WAWA81,94120.4%–

23Kitsap County, WAWA283,37420.3%–

24Walla Walla County, WAWA62,36120.0%–

25Thurston County, WAWA304,26119.3%–

26Whatcom County, WAWA236,39218.8%–

27Spokane County, WAWA558,34418.2%–

28Douglas County, WAWA46,47317.5%–

29Kittitas County, WAWA48,80317.1%–

30Benton County, WAWA221,72216.7%–

31Clark County, WAWA532,11916.7%–

32Yakima County, WAWA259,18515.9%–

33Pierce County, WAWA946,28815.5%–

34Grant County, WAWA105,72715.2%–

35Snohomish County, WAWA870,65614.4%–

36King County, WAWA2,344,93913.7%–

37Whitman County, WAWA48,51212.0%–

38Franklin County, WAWA102,61210.8%–

39Adams County, WAWA21,48810.8%–

SHOWING 1–39 OF 39

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS