RANKING · 2020 CENSUS · 44 SHOWN OF 44

Highest Medicaid coverage, Idaho counties · 2020

Idaho counties ranked by the share of people covered by Medicaid or other means-tested public insurance, alone or in combination with other coverage (2020 ACS). This list covers the 44 counties in Idaho 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

RANKPLACESTATEPOPMEDICAIDVS –

01Lincoln County, IDID5,60324.1%–

02Custer County, IDID4,63623.3%–

03Canyon County, IDID275,12323.2%–

04Jerome County, IDID26,36222.5%–

05Lewis County, IDID3,70422.4%–

06Power County, IDID8,24622.3%–

07Shoshone County, IDID14,13022.1%–

08Fremont County, IDID14,20821.6%–

09Minidoka County, IDID22,91121.5%–

10Benewah County, IDID10,50821.3%–

11Madison County, IDID55,17220.9%–

12Payette County, IDID27,82420.9%–

13Bingham County, IDID51,15320.4%–

14Bannock County, IDID91,59120.2%–

15Butte County, IDID2,78320.2%–

16Owyhee County, IDID12,66120.2%–

17Lemhi County, IDID8,47420.1%–

18Camas County, IDID1,31619.8%–

19Gem County, IDID21,77319.6%–

20Bonner County, IDID54,42019.5%–

21Twin Falls County, IDID97,53919.3%–

22Gooding County, IDID16,44619.2%–

23Cassia County, IDID26,39719.1%–

24Clark County, IDID78319.0%–

25Elmore County, IDID29,46518.7%–

26Bonneville County, IDID135,77118.5%–

27Boundary County, IDID13,99718.5%–

28Jefferson County, IDID35,29718.0%–

29Idaho County, IDID17,87416.3%–

30Nez Perce County, IDID42,90516.2%–

31Kootenai County, IDID191,86416.1%–

32Oneida County, IDID5,08515.9%–

33Blaine County, IDID25,51715.4%–

34Washington County, IDID11,58315.1%–

35Caribou County, IDID7,25214.8%–

36Clearwater County, IDID9,11813.8%–

37Franklin County, IDID15,88913.3%–

38Bear Lake County, IDID6,72712.7%–

39Valley County, IDID12,83112.5%–

40Boise County, IDID8,54512.3%–

41Ada County, IDID546,14111.2%–

42Adams County, IDID5,01311.1%–

43Teton County, IDID13,2549.8%–

44Latah County, IDID41,8429.4%–

SHOWING 1–44 OF 44

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