| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 1 | $202.5M* | 67.37% |
| 2 | The Bank of Commerce | Bank | 1 | $65.1M | 21.66% |
| 3 | Advantage Plus Federal Credit Union | Credit union | 1 | $33.0M* | 10.97% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $300.5M | 3 | 3 | Idaho Central Credit Union | 67.4% | 5,128 |
| 2025 | $278.7M | 3 | 3 | Idaho Central Credit Union | 67.5% | 5,143 |
| 2024 | $261.6M | 3 | 3 | Idaho Central Credit Union | 66.4% | 5,030 |
| 2023 | $351.7M | 3 | 3 | Idaho Central Credit Union | 74.2% | 5,861 |
| 2022 | $389.6M | 3 | 3 | Idaho Central Credit Union | 75.7% | 6,054 |
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.