| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Grasslands Federal Credit Union | Credit union | 1 | $53.3M* | 68.95% |
| 2 | Garfield County Bank | Bank | 1 | $17.7M | 22.92% |
| 3 | Fort Peck Community Federal Credit Union | Credit union | 1 | $6.3M* | 8.14% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $77.3M | 3 | 3 | Grasslands Federal Credit Union | 69.0% | 5,346 |
| 2024 | $66.8M | 2 | 2 | Grasslands Federal Credit Union | 75.5% | 6,302 |
| 2023 | $79.4M | 2 | 2 | Grasslands Federal Credit Union | 76.6% | 6,412 |
| 2022 | $77.7M | 2 | 2 | Grasslands Federal Credit Union | 78.3% | 6,601 |
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.