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Health insurance in South Dakota
3 insurers offer individual marketplace plans in South Dakota for 2026, across 66 counties. How many you can actually choose from depends on where you live — the county table below shows the range.
| Insurers in the state | 3 |
| Counties with marketplace plans | 66 |
| Average insurers per county | 2.6 |
| Registered marketplace agents | 307 |
Insurers offering plans in South Dakota
- Avera Health Plans
- Sanford Health Plan
- Wellmark of South Dakota, Inc.
Coverage by county
Counties are listed by how many insurers serve them. In most states the choice is much wider in metropolitan counties than rural ones.
| County | Insurers |
|---|---|
| Beadle County | 3 |
| Bennett County | 3 |
| Brookings County | 3 |
| Butte County | 3 |
| Campbell County | 3 |
| Clark County | 3 |
| Clay County | 3 |
| Codington County | 3 |
| Corson County | 3 |
| Custer County | 3 |
| Day County | 3 |
| Deuel County | 3 |
| Dewey County | 3 |
| Edmunds County | 3 |
| Fall River County | 3 |
| Faulk County | 3 |
| Grant County | 3 |
| Haakon County | 3 |
| Hamlin County | 3 |
| Harding County | 3 |
| Jackson County | 3 |
| Jones County | 3 |
| Kingsbury County | 3 |
| Lake County | 3 |
| Lawrence County | 3 |
| Marshall County | 3 |
| McCook County | 3 |
| McPherson County | 3 |
| Meade County | 3 |
| Mellette County | 3 |
| Moody County | 3 |
| Oglala Lakota County | 3 |
| Pennington County | 3 |
| Perkins County | 3 |
| Potter County | 3 |
| Roberts County | 3 |
| Spink County | 3 |
| Todd County | 3 |
| Turner County | 3 |
| Union County | 3 |
| Walworth County | 3 |
| Ziebach County | 3 |
| Aurora County | 2 |
| Bon Homme County | 2 |
| Brown County | 2 |
| Brule County | 2 |
| Buffalo County | 2 |
| Charles Mix County | 2 |
| Davison County | 2 |
| Douglas County | 2 |
| Gregory County | 2 |
| Hand County | 2 |
| Hanson County | 2 |
| Hughes County | 2 |
| Hutchinson County | 2 |
| Hyde County | 2 |
| Jerauld County | 2 |
| Lincoln County | 2 |
| Lyman County | 2 |
| Miner County | 2 |
| Minnehaha County | 2 |
| Sanborn County | 2 |
| Stanley County | 2 |
| Sully County | 2 |
| Tripp County | 2 |
| Yankton County | 2 |
Free enrollment help in South Dakota
Navigators and certified assisters are funded to help people enrol at no charge. They cannot sell you a policy or steer you to one insurer.
Source: CMS Health Insurance Exchange public use files, plan year 2026, and the federal Find Local Help directory. Covers the federal marketplace only. States running their own exchanges publish separately and are not included.