| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Dakota Western Bank | Bank | 1 | $68.6M | 44.64% |
| 2 | Dacotah Bank | Bank | 1 | $52.7M | 34.31% |
| 3 | Gate City Bank | Bank | 1 | $17.2M | 11.18% |
| 4 | Dakota Plains Federal Credit Union | Credit union | 1 | $15.2M* | 9.87% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $153.6M | 4 | 4 | Dakota Western Bank | 44.6% | 3,392 |
| 2025 | $145.2M | 4 | 4 | Dakota Western Bank | 45.5% | 3,470 |
| 2024 | $136.9M | 4 | 4 | Dakota Western Bank | 45.4% | 3,460 |
| 2023 | $132.0M | 4 | 4 | Dakota Western Bank | 43.5% | 3,341 |
| 2022 | $138.8M | 4 | 4 | Dakota Western Bank | 49.8% | 3,565 |
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.