| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Dacotah Bank | Bank | 2 | $161.1M | 37.64% |
| 2 | Turtle Mountain State Bank | Bank | 1 | $119.2M | 27.84% |
| 3 | Starion Bank | Bank | 2 | $64.5M | 15.08% |
| 4 | Rolette State Bank | Bank | 1 | $42.1M | 9.83% |
| 5 | First Community Credit Union | Credit union | 1 | $41.1M* | 9.61% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $428.0M | 5 | 7 | Dacotah Bank | 37.6% | 2,608 |
| 2024 | $419.3M | 5 | 7 | Dacotah Bank | 33.1% | 2,581 |
| 2023 | $445.6M | 5 | 7 | Turtle Mountain State Bank | 34.7% | 2,606 |
| 2022 | $499.8M | 5 | 7 | Turtle Mountain State Bank | 41.2% | 2,789 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.