RANKING · 2020 CENSUS · 44 SHOWN OF 44

Highest Medicare coverage, Idaho counties · 2020

Idaho 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 44 counties in Idaho that qualify, ranked against each other statewide.

IdahoAll states All rankings

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 –

01Custer County, IDID4,63637.0%–

02Clearwater County, IDID9,11832.9%–

03Adams County, IDID5,01332.7%–

04Idaho County, IDID17,87432.6%–

05Lemhi County, IDID8,47432.3%–

06Lewis County, IDID3,70431.3%–

07Valley County, IDID12,83131.3%–

08Boise County, IDID8,54528.9%–

09Bonner County, IDID54,42027.9%–

10Washington County, IDID11,58327.4%–

11Shoshone County, IDID14,13026.9%–

12Benewah County, IDID10,50826.3%–

13Butte County, IDID2,78326.0%–

14Gem County, IDID21,77325.1%–

15Boundary County, IDID13,99724.9%–

16Nez Perce County, IDID42,90522.2%–

17Bear Lake County, IDID6,72721.9%–

18Oneida County, IDID5,08521.2%–

19Kootenai County, IDID191,86420.9%–

20Payette County, IDID27,82420.3%–

21Fremont County, IDID14,20820.0%–

22Gooding County, IDID16,44619.1%–

23Owyhee County, IDID12,66118.9%–

24Blaine County, IDID25,51718.7%–

25Minidoka County, IDID22,91118.0%–

26Caribou County, IDID7,25217.9%–

27Bannock County, IDID91,59117.7%–

28Twin Falls County, IDID97,53917.1%–

29Camas County, IDID1,31617.1%–

30Elmore County, IDID29,46516.5%–

31Bingham County, IDID51,15316.3%–

32Franklin County, IDID15,88915.9%–

33Power County, IDID8,24615.8%–

34Canyon County, IDID275,12315.5%–

35Ada County, IDID546,14115.5%–

36Cassia County, IDID26,39715.4%–

37Latah County, IDID41,84215.2%–

38Lincoln County, IDID5,60315.1%–

39Bonneville County, IDID135,77114.7%–

40Jerome County, IDID26,36214.5%–

41Clark County, IDID78313.0%–

42Jefferson County, IDID35,29712.6%–

43Teton County, IDID13,25412.3%–

44Madison County, IDID55,1727.5%–

SHOWING 1–44 OF 44

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