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. The median across all 56 is 7.5%. Biggest climber in the top 100 since 2020: Hill County, MT, up 32 places to #19.

MontanaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS 2020

01▲2Roosevelt County, MTMT10,24225.2%−2.0 pts

02▼1Glacier County, MTMT13,46323.6%−13.5 pts

03▲12Golden Valley County, MTMT84422.9%+12.9 pts

04▼2Big Horn County, MTMT12,75221.7%−6.0 pts

05▲1Blaine County, MTMT6,86018.3%+3.0 pts

06▲2Wheatland County, MTMT2,10017.9%+4.1 pts

07▲6Fergus County, MTMT11,82516.2%+5.4 pts

08▼4Rosebud County, MTMT8,25316.2%−0.4 pts

09▲10Lincoln County, MTMT22,32814.9%+5.4 pts

10▼1Lake County, MTMT33,39214.5%+0.9 pts

11▲7Sanders County, MTMT14,06213.7%+4.0 pts

12▲8Ravalli County, MTMT48,58210.5%+1.0 pts

13▲30Sweet Grass County, MTMT3,76210.2%+3.9 pts

14▲18Musselshell County, MTMT5,58210.1%+2.8 pts

15▲8Flathead County, MTMT115,42910.0%+1.0 pts

16▼9Garfield County, MTMT1,1489.8%−5.1 pts

17▲9Mineral County, MTMT5,1859.1%+0.9 pts

18▲20Granite County, MTMT3,6588.5%+1.8 pts

19▲32Hill County, MTMT16,1678.3%+3.0 pts

20▼8Toole County, MTMT5,2118.3%−2.7 pts

21▲28Carbon County, MTMT11,4668.2%+2.5 pts

22▲6Pondera County, MTMT6,0728.2%+0.5 pts

23▼9Park County, MTMT18,2148.1%−2.1 pts

24▲17Custer County, MTMT12,0347.7%+1.4 pts

25▲21Yellowstone County, MTMT172,6927.7%+1.6 pts

26▼16Phillips County, MTMT4,2037.6%−4.5 pts

27▼16Powder River County, MTMT1,7817.6%−3.6 pts

28▼12Broadwater County, MTMT8,4937.5%−2.4 pts

29▼24Carter County, MTMT1,3837.5%−9.0 pts

30▼5Sheridan County, MTMT3,4367.3%−1.2 pts

31▼7Madison County, MTMT10,0267.1%−1.9 pts

32▼1Cascade County, MTMT85,0297.0%−0.3 pts

33▼3Gallatin County, MTMT128,7406.9%−0.5 pts

34▲2Judith Basin County, MTMT2,1626.8%0.0 pts

35▲15Petroleum County, MTMT5486.7%+1.1 pts

36▲20Dawson County, MTMT8,6926.6%+3.2 pts

37▼10Wibaux County, MTMT8856.5%−1.5 pts

38▼5Powell County, MTMT7,1576.4%−0.9 pts

39▼18Valley County, MTMT7,3856.4%−3.1 pts

40Missoula County, MTMT123,5136.1%−0.4 pts

41▲1Silver Bow County, MTMT36,1186.0%−0.3 pts

42▲5Jefferson County, MTMT13,3295.8%−0.2 pts

43▼9Chouteau County, MTMT5,8655.7%−1.5 pts

44▲8Lewis and Clark County, MTMT75,3315.7%+0.5 pts

45▼8Deer Lodge County, MTMT9,7095.6%−1.1 pts

46▼24Teton County, MTMT6,4965.4%−3.8 pts

47▼2McCone County, MTMT1,7205.3%−0.8 pts

48▲5Stillwater County, MTMT9,4455.2%+1.0 pts

49▲6Prairie County, MTMT1,1124.7%+0.8 pts

50▼15Richland County, MTMT11,3774.7%−2.1 pts

51▼3Beaverhead County, MTMT10,0434.3%−1.6 pts

52▼8Treasure County, MTMT7284.1%−2.1 pts

53▼36Meagher County, MTMT2,1373.6%−6.1 pts

54▼15Liberty County, MTMT1,9573.4%−3.3 pts

55▼26Fallon County, MTMT2,9593.1%−4.4 pts

56▼2Daniels County, MTMT1,6122.0%−2.1 pts

SHOWING 1–56 OF 56

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