| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Glacier Bank | Bank | 1 | $88.9M | 45.30% |
| 2 | First Montana Bank, Inc. | Bank | 2 | $66.6M | 33.94% |
| 3 | Southwest Montana Community Federal Credit Union | Credit union | 1 | $36.5M* | 18.62% |
| 4 | Deer Lodge County School Emp Federal Credit Union | Credit union | 1 | $4.2M* | 2.14% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $196.2M | 4 | 5 | Glacier Bank | 45.3% | 3,555 |
| 2025 | $211.2M | 4 | 5 | Glacier Bank | 44.9% | 3,471 |
| 2024 | $226.1M | 4 | 5 | Glacier Bank | 39.1% | 3,278 |
| 2023 | $251.8M | 4 | 5 | Southwest Montana Community Federal Credit Union | 36.3% | 3,214 |
| 2022 | $254.9M | 4 | 5 | Southwest Montana Community Federal Credit Union | 35.9% | 3,192 |
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.