RANKING · 2024 ACS · 56 SHOWN OF 56

Highest uninsured rate, Montana counties

Montana counties ranked by the share of residents without health insurance (2024 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 2020

01Roosevelt County, MTMT10,24225.2%−2.0 pts

02Glacier County, MTMT13,46323.6%−13.5 pts

03Golden Valley County, MTMT84422.9%+12.9 pts

04Big Horn County, MTMT12,75221.7%−6.0 pts

05Blaine County, MTMT6,86018.3%+3.0 pts

06Wheatland County, MTMT2,10017.9%+4.1 pts

07Fergus County, MTMT11,82516.2%+5.4 pts

08Rosebud County, MTMT8,25316.2%−0.4 pts

09Lincoln County, MTMT22,32814.9%+5.4 pts

10Lake County, MTMT33,39214.5%+0.9 pts

11Sanders County, MTMT14,06213.7%+4.0 pts

12Ravalli County, MTMT48,58210.5%+1.0 pts

13Sweet Grass County, MTMT3,76210.2%+3.9 pts

14Musselshell County, MTMT5,58210.1%+2.8 pts

15Flathead County, MTMT115,42910.0%+1.0 pts

16Garfield County, MTMT1,1489.8%−5.1 pts

17Mineral County, MTMT5,1859.1%+0.9 pts

18Granite County, MTMT3,6588.5%+1.8 pts

19Hill County, MTMT16,1678.3%+3.0 pts

20Toole County, MTMT5,2118.3%−2.7 pts

21Carbon County, MTMT11,4668.2%+2.5 pts

22Pondera County, MTMT6,0728.2%+0.5 pts

23Park County, MTMT18,2148.1%−2.1 pts

24Custer County, MTMT12,0347.7%+1.4 pts

25Yellowstone County, MTMT172,6927.7%+1.6 pts

26Phillips County, MTMT4,2037.6%−4.5 pts

27Powder River County, MTMT1,7817.6%−3.6 pts

28Broadwater County, MTMT8,4937.5%−2.4 pts

29Carter County, MTMT1,3837.5%−9.0 pts

30Sheridan County, MTMT3,4367.3%−1.2 pts

31Madison County, MTMT10,0267.1%−1.9 pts

32Cascade County, MTMT85,0297.0%−0.3 pts

33Gallatin County, MTMT128,7406.9%−0.5 pts

34Judith Basin County, MTMT2,1626.8%+0.0 pts

35Petroleum County, MTMT5486.7%+1.1 pts

36Dawson County, MTMT8,6926.6%+3.2 pts

37Wibaux County, MTMT8856.5%−1.5 pts

38Powell County, MTMT7,1576.4%−0.9 pts

39Valley County, MTMT7,3856.4%−3.1 pts

40Missoula County, MTMT123,5136.1%−0.4 pts

41Silver Bow County, MTMT36,1186.0%−0.3 pts

42Jefferson County, MTMT13,3295.8%−0.2 pts

43Chouteau County, MTMT5,8655.7%−1.5 pts

44Lewis and Clark County, MTMT75,3315.7%+0.5 pts

45Deer Lodge County, MTMT9,7095.6%−1.1 pts

46Teton County, MTMT6,4965.4%−3.8 pts

47McCone County, MTMT1,7205.3%−0.8 pts

48Stillwater County, MTMT9,4455.2%+1.0 pts

49Prairie County, MTMT1,1124.7%+0.8 pts

50Richland County, MTMT11,3774.7%−2.1 pts

51Beaverhead County, MTMT10,0434.3%−1.6 pts

52Treasure County, MTMT7284.1%−2.1 pts

53Meagher County, MTMT2,1373.6%−6.1 pts

54Liberty County, MTMT1,9573.4%−3.3 pts

55Fallon County, MTMT2,9593.1%−4.4 pts

56Daniels County, MTMT1,6122.0%−2.1 pts

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES