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. The median across all 44 is 19.1%.

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 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS