| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 4 | $752.8M* | 16.49% |
| 2 | The Bank of Commerce | Bank | 5 | $726.6M | 15.92% |
| 3 | Glacier Bank | Bank | 5 | $517.5M | 11.34% |
| 4 | Wells Fargo Bank, National Association | Bank | 2 | $439.9M | 9.64% |
| 5 | Westmark Credit Union | Credit union | 5 | $431.3M* | 9.45% |
| 6 | Zions Bancorporation, N.A. | Bank | 2 | $378.6M | 8.29% |
| 7 | Mountain America Federal Credit Union | Credit union | 2 | $361.5M* | 7.92% |
| 8 | U.S. Bank National Association | Bank | 1 | $204.2M | 4.47% |
| 9 | JPMorgan Chase Bank, National Association | Bank | 1 | $167.3M | 3.67% |
| 10 | Frontier Credit Union | Credit union | 3 | $144.5M* | 3.17% |
| 8 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $4.56B | 18 | 40 | Idaho Central Credit Union | 16.5% | 1,025 |
| 2024 | $4.02B | 17 | 37 | Idaho Central Credit Union | 17.3% | 1,054 |
| 2023 | $4.33B | 17 | 39 | Idaho Central Credit Union | 23.6% | 1,178 |
| 2022 | $4.76B | 17 | 39 | Idaho Central Credit Union | 24.3% | 1,200 |
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.