# Counties in South Dakota by uninsured rate, ages 18 to 64 (US model-based estimate), 2024

All 66 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `uninsured_rate_18_64`
- Unit: %
- Definition: People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.
- Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties (https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/uninsured-rate-ages-18-64/south-dakota-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Mellette County | 17.5 |
| 2 | Butte County | 16.8 |
| 3 | Bennett County | 16.6 |
| 4 | Tripp County | 16.4 |
| 5 | Beadle County | 16.3 |
| 6 | Charles Mix County | 16.2 |
| 7 | Dewey County | 16.1 |
| 8 | Jackson County | 16 |
| 9 | Perkins County | 15.7 |
| 10 | Lyman County | 15.5 |
| 11 | Clark County | 14.8 |
| 12 | Gregory County | 14.5 |
| 12 | Sanborn County | 14.5 |
| 14 | Roberts County | 14.4 |
| 15 | Aurora County | 14 |
| 15 | Todd County | 14 |
| 17 | Brule County | 13.8 |
| 17 | Buffalo County | 13.8 |
| 19 | Oglala Lakota County | 13.4 |
| 20 | Corson County | 13 |
| 20 | McPherson County | 13 |
| 22 | Fall River County | 12.4 |
| 23 | Clay County | 12.3 |
| 24 | Marshall County | 12.2 |
| 25 | Day County | 12 |
| 26 | Grant County | 11.9 |
| 27 | Haakon County | 11.4 |
| 27 | Kingsbury County | 11.4 |
| 27 | Moody County | 11.4 |
| 27 | Pennington County | 11.4 |
| 27 | Ziebach County | 11.4 |
| 32 | Turner County | 11.3 |
| 33 | Hamlin County | 11.2 |
| 34 | Spink County | 11.1 |
| 35 | Hyde County | 10.9 |
| 35 | Meade County | 10.9 |
| 35 | Walworth County | 10.9 |
| 38 | Douglas County | 10.7 |
| 39 | Faulk County | 10.6 |
| 40 | Davison County | 10.5 |
| 40 | Minnehaha County | 10.5 |
| 42 | Brown County | 10.4 |
| 42 | Codington County | 10.4 |
| 42 | Lawrence County | 10.4 |
| 42 | Yankton County | 10.4 |
| 46 | Lake County | 10.3 |
| 47 | Custer County | 10.1 |
| 48 | McCook County | 9.7 |
| 49 | Harding County | 9.6 |
| 50 | Deuel County | 9.5 |
| 51 | Hutchinson County | 9.3 |
| 52 | Bon Homme County | 9.2 |
| 53 | Hanson County | 9.1 |
| 53 | Sully County | 9.1 |
| 55 | Brookings County | 9 |
| 56 | Edmunds County | 8.9 |
| 56 | Miner County | 8.9 |
| 58 | Jerauld County | 8.8 |
| 59 | Campbell County | 8.7 |
| 60 | Stanley County | 8.5 |
| 61 | Jones County | 8.4 |
| 62 | Union County | 8.2 |
| 63 | Hughes County | 7.7 |
| 64 | Lincoln County | 7.6 |
| 65 | Hand County | 7 |
| 66 | Potter County | 6.8 |