| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Dakota Western Bank | Bank | 3 | $282.2M | 72.93% |
| 2 | Dakota Community Bank & Trust, National Association | Bank | 1 | $69.4M | 17.93% |
| 3 | Dakota West Credit Union | Credit union | 1 | $35.3M* | 9.13% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $387.0M | 3 | 5 | Dakota Western Bank | 72.9% | 5,724 |
| 2025 | $370.0M | 3 | 5 | Dakota Western Bank | 72.5% | 5,668 |
| 2024 | $364.6M | 3 | 5 | Dakota Western Bank | 74.4% | 5,887 |
| 2023 | $338.5M | 3 | 5 | Dakota Western Bank | 70.0% | 5,392 |
| 2022 | $332.6M | 4 | 6 | Dakota Western Bank | 64.1% | 4,564 |
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.