| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Glacier Bank | Bank | 2 | $209.0M | 51.34% |
| 2 | Platte Valley Bank | Bank | 1 | $142.6M | 35.03% |
| 3 | Banner Capital Bank | Bank | 1 | $30.8M | 7.56% |
| 4 | Rolling Hills Bank & Trust | Bank | 1 | $13.2M | 3.23% |
| 5 | BMO Bank National Association | Bank | 1 | $10.1M | 2.48% |
| 6 | Guernsey Community Federal Credit Union | Credit union | 1 | $1.4M* | 0.35% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $407.2M | 6 | 7 | Glacier Bank | 51.3% | 3,937 |
| 2024 | $457.3M | 6 | 7 | Glacier Bank | 60.9% | 4,576 |
| 2023 | $369.3M | 6 | 7 | Glacier Bank | 54.1% | 4,137 |
| 2022 | $349.9M | 5 | 6 | Glacier Bank | 57.2% | 4,483 |
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.