# Counties in Montana by uninsured rate, ages 35 to 64 (US, ACS), 2024

All 56 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `uninsured_rate_35_64`
- Unit: %
- Definition: People aged 35 to 64 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 35 to 64. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat)
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/uninsured-rate-ages-35-64/montana-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Roosevelt County | 31.2 |
| 2 | Big Horn County | 28.9 |
| 3 | Glacier County | 27.6 |
| 4 | Golden Valley County | 25.3 |
| 5 | Wheatland County | 23.2 |
| 6 | Blaine County | 23.1 |
| 7 | Lincoln County | 20.9 |
| 8 | Fergus County | 20.3 |
| 9 | Sanders County | 18.3 |
| 10 | Lake County | 18 |
| 11 | Mineral County | 14.8 |
| 12 | Wibaux County | 14.4 |
| 13 | Carter County | 14.4 |
| 14 | Rosebud County | 14.1 |
| 15 | Ravalli County | 14 |
| 16 | Phillips County | 13.8 |
| 17 | Broadwater County | 13.3 |
| 18 | Hill County | 13.2 |
| 19 | Granite County | 13 |
| 20 | Flathead County | 12.9 |
| 21 | Carbon County | 12.6 |
| 22 | Petroleum County | 12.6 |
| 23 | Dawson County | 12.5 |
| 24 | Sweet Grass County | 12.4 |
| 25 | Pondera County | 11.9 |
| 26 | Madison County | 11.6 |
| 27 | Silver Bow County | 10.1 |
| 28 | Garfield County | 10.1 |
| 29 | Park County | 9.9 |
| 30 | Toole County | 9.3 |
| 31 | McCone County | 9.2 |
| 32 | Valley County | 9.2 |
| 33 | Gallatin County | 8.9 |
| 34 | Prairie County | 8.9 |
| 35 | Powder River County | 8.7 |
| 35 | Yellowstone County | 8.7 |
| 37 | Cascade County | 8.5 |
| 38 | Missoula County | 8.3 |
| 39 | Chouteau County | 8.2 |
| 40 | Judith Basin County | 8 |
| 41 | Meagher County | 7.9 |
| 42 | Teton County | 7.8 |
| 43 | Beaverhead County | 7.7 |
| 44 | Jefferson County | 7.7 |
| 45 | Custer County | 7.7 |
| 46 | Sheridan County | 7.6 |
| 47 | Musselshell County | 7.5 |
| 48 | Lewis and Clark County | 7 |
| 49 | Treasure County | 6.8 |
| 50 | Liberty County | 6.4 |
| 51 | Deer Lodge County | 6.4 |
| 52 | Stillwater County | 5.6 |
| 53 | Richland County | 5.5 |
| 54 | Fallon County | 5.2 |
| 55 | Daniels County | 3.9 |
| 56 | Powell County | 2.2 |