RANKING · 2024 ACS · 44 SHOWN OF 44

Highest Medicaid coverage, Idaho counties

Idaho counties ranked by the share of people covered by Medicaid or other means-tested public insurance, alone or in combination with other coverage (2024 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 21.2%. Biggest climber in the top 100 since 2020: Washington County, ID, up 18 places to #16.

IdahoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2020 2024

RANKPLACESTATEPOPMEDICAIDVS 2020

01▲5Power County, IDID8,24628.1%+5.8 pts

02▲13Butte County, IDID2,78326.9%+6.7 pts

03▲14Lemhi County, IDID8,47426.6%+6.5 pts

04Jerome County, IDID26,36226.4%+3.9 pts

05▲7Payette County, IDID27,82426.4%+5.5 pts

06▼5Lincoln County, IDID5,60326.2%+2.1 pts

07▲11Camas County, IDID1,31625.5%+5.7 pts

08▼3Lewis County, IDID3,70425.4%+3.0 pts

09Minidoka County, IDID22,91125.4%+3.9 pts

10▲6Owyhee County, IDID12,66125.1%+4.9 pts

11▲16Boundary County, IDID13,99725.0%+6.5 pts

12▲11Cassia County, IDID26,39724.3%+5.2 pts

13▲1Bannock County, IDID91,59124.1%+3.9 pts

14▼6Fremont County, IDID14,20823.9%+2.3 pts

15▼8Shoshone County, IDID14,13023.7%+1.6 pts

16▲18Washington County, IDID11,58323.3%+8.2 pts

17▼4Bingham County, IDID51,15322.9%+2.5 pts

18▲6Clark County, IDID78322.5%+3.5 pts

19▲2Twin Falls County, IDID97,53922.0%+2.7 pts

20▲6Bonneville County, IDID135,77122.0%+3.5 pts

21▲7Jefferson County, IDID35,29721.6%+3.6 pts

22Gooding County, IDID16,44621.2%+2.0 pts

23▼12Madison County, IDID55,17221.2%+0.3 pts

24▼21Canyon County, IDID275,12320.9%−2.3 pts

25▼6Gem County, IDID21,77320.7%+1.1 pts

26▼6Bonner County, IDID54,42020.4%+0.9 pts

27▼2Elmore County, IDID29,46520.2%+1.5 pts

28▼18Benewah County, IDID10,50819.4%−1.9 pts

29▲7Clearwater County, IDID9,11819.2%+5.4 pts

30▼1Idaho County, IDID17,87419.1%+2.8 pts

31▲7Bear Lake County, IDID6,72718.9%+6.2 pts

32▼2Nez Perce County, IDID42,90517.6%+1.4 pts

33▲2Caribou County, IDID7,25217.4%+2.6 pts

34▼3Kootenai County, IDID191,86416.3%+0.2 pts

35▼33Custer County, IDID4,63616.2%−7.1 pts

36▲4Boise County, IDID8,54514.9%+2.6 pts

37▲6Teton County, IDID13,25414.7%+4.9 pts

38▼1Franklin County, IDID15,88914.5%+1.2 pts

39Valley County, IDID12,83113.9%+1.4 pts

40▲2Adams County, IDID5,01313.3%+2.2 pts

41Ada County, IDID546,14113.2%+2.0 pts

42▲2Latah County, IDID41,84213.1%+3.7 pts

43▼11Oneida County, IDID5,08513.0%−2.9 pts

44▼11Blaine County, IDID25,51711.8%−3.6 pts

SHOWING 1–44 OF 44

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