RANKING · 2024 ACS · 44 SHOWN OF 44

Highest Medicare coverage, Idaho counties

Idaho counties ranked by the share of people covered by Medicare, alone or in combination with other coverage (2024 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 20.6%. Biggest climber in the top 100 since 2020: Blaine County, ID, up 10 places to #14.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2020 2024

RANKPLACESTATEPOPMEDICAREVS 2020

01Custer County, IDID4,63638.1%+1.1 pts

02▲3Lemhi County, IDID8,47434.6%+2.3 pts

03▼1Clearwater County, IDID9,11834.0%+1.1 pts

04▲2Lewis County, IDID3,70432.5%+1.2 pts

05▼1Idaho County, IDID17,87432.1%−0.5 pts

06▼3Adams County, IDID5,01331.7%−1.0 pts

07▲1Boise County, IDID8,54531.4%+2.5 pts

08▼1Valley County, IDID12,83131.1%−0.2 pts

09Bonner County, IDID54,42028.9%+1.0 pts

10Washington County, IDID11,58328.3%+0.9 pts

11▲1Benewah County, IDID10,50827.7%+1.4 pts

12▼1Shoshone County, IDID14,13026.5%−0.4 pts

13▲2Boundary County, IDID13,99723.8%−1.1 pts

14▲10Blaine County, IDID25,51723.6%+4.9 pts

15▲2Bear Lake County, IDID6,72723.4%+1.5 pts

16▼2Gem County, IDID21,77323.4%−1.7 pts

17▼1Nez Perce County, IDID42,90523.2%+1.0 pts

18▼5Butte County, IDID2,78322.4%−3.6 pts

19Kootenai County, IDID191,86422.3%+1.4 pts

20▲3Owyhee County, IDID12,66121.4%+2.5 pts

21Fremont County, IDID14,20821.1%+1.1 pts

22▼4Oneida County, IDID5,08520.6%−0.6 pts

23▼3Payette County, IDID27,82420.4%+0.1 pts

24▲5Camas County, IDID1,31620.3%+3.2 pts

25▼3Gooding County, IDID16,44619.1%0.0 pts

26Caribou County, IDID7,25219.1%+1.2 pts

27▲3Elmore County, IDID29,46518.7%+2.2 pts

28Twin Falls County, IDID97,53918.3%+1.2 pts

29▼4Minidoka County, IDID22,91117.2%−0.8 pts

30▲5Ada County, IDID546,14116.9%+1.4 pts

31▼4Bannock County, IDID91,59116.9%−0.8 pts

32▲1Power County, IDID8,24616.9%+1.1 pts

33▼2Bingham County, IDID51,15316.6%+0.3 pts

34▲4Lincoln County, IDID5,60316.6%+1.5 pts

35▲8Teton County, IDID13,25416.3%+4.0 pts

36▼4Franklin County, IDID15,88916.1%+0.2 pts

37▼3Canyon County, IDID275,12316.0%+0.5 pts

38▼1Latah County, IDID41,84215.8%+0.6 pts

39Bonneville County, IDID135,77115.6%+0.9 pts

40▼4Cassia County, IDID26,39715.6%+0.2 pts

41▼1Jerome County, IDID26,36215.0%+0.5 pts

42▼1Clark County, IDID78314.1%+1.1 pts

43▼1Jefferson County, IDID35,29712.7%+0.1 pts

44Madison County, IDID55,1725.5%−2.0 pts

SHOWING 1–44 OF 44

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES