RANKING · 2020 CENSUS · 56 SHOWN OF 56

Highest uninsured rate, Montana counties · 2020

Montana counties ranked by the share of residents without health insurance (2020 ACS). This list covers the 56 counties in Montana that qualify, ranked against each other statewide.

MontanaAll 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

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS –

01Glacier County, MTMT13,46337.1%–

02Big Horn County, MTMT12,75227.7%–

03Roosevelt County, MTMT10,24227.2%–

04Rosebud County, MTMT8,25316.6%–

05Carter County, MTMT1,38316.5%–

06Blaine County, MTMT6,86015.3%–

07Garfield County, MTMT1,14814.9%–

08Wheatland County, MTMT2,10013.8%–

09Lake County, MTMT33,39213.6%–

10Phillips County, MTMT4,20312.1%–

11Powder River County, MTMT1,78111.2%–

12Toole County, MTMT5,21111.0%–

13Fergus County, MTMT11,82510.8%–

14Park County, MTMT18,21410.2%–

15Golden Valley County, MTMT84410.0%–

16Broadwater County, MTMT8,4939.9%–

17Meagher County, MTMT2,1379.7%–

18Sanders County, MTMT14,0629.7%–

19Lincoln County, MTMT22,3289.5%–

20Ravalli County, MTMT48,5829.5%–

21Valley County, MTMT7,3859.5%–

22Teton County, MTMT6,4969.2%–

23Flathead County, MTMT115,4299.0%–

24Madison County, MTMT10,0269.0%–

25Sheridan County, MTMT3,4368.5%–

26Mineral County, MTMT5,1858.2%–

27Wibaux County, MTMT8858.0%–

28Pondera County, MTMT6,0727.7%–

29Fallon County, MTMT2,9597.5%–

30Gallatin County, MTMT128,7407.4%–

31Cascade County, MTMT85,0297.3%–

32Musselshell County, MTMT5,5827.3%–

33Powell County, MTMT7,1577.3%–

34Chouteau County, MTMT5,8657.2%–

35Richland County, MTMT11,3776.8%–

36Judith Basin County, MTMT2,1626.8%–

37Deer Lodge County, MTMT9,7096.7%–

38Granite County, MTMT3,6586.7%–

39Liberty County, MTMT1,9576.7%–

40Missoula County, MTMT123,5136.5%–

41Custer County, MTMT12,0346.3%–

42Silver Bow County, MTMT36,1186.3%–

43Sweet Grass County, MTMT3,7626.3%–

44Treasure County, MTMT7286.2%–

45McCone County, MTMT1,7206.1%–

46Yellowstone County, MTMT172,6926.1%–

47Jefferson County, MTMT13,3296.0%–

48Beaverhead County, MTMT10,0435.9%–

49Carbon County, MTMT11,4665.7%–

50Petroleum County, MTMT5485.6%–

51Hill County, MTMT16,1675.3%–

52Lewis and Clark County, MTMT75,3315.2%–

53Stillwater County, MTMT9,4454.2%–

54Daniels County, MTMT1,6124.1%–

55Prairie County, MTMT1,1123.9%–

56Dawson County, MTMT8,6923.4%–

SHOWING 1–56 OF 56

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS