| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 4 | $809.9M* | 17.22% |
| 2 | The Bank of Commerce | Bank | 5 | $775.3M | 16.48% |
| 3 | Glacier Bank | Bank | 4 | $478.2M | 10.16% |
| 4 | Westmark Credit Union | Credit union | 5 | $462.1M* | 9.82% |
| 5 | Wells Fargo Bank, National Association | Bank | 2 | $455.2M | 9.67% |
| 6 | Mountain America Federal Credit Union | Credit union | 2 | $376.0M* | 7.99% |
| 7 | Zions Bancorporation, N.A. | Bank | 2 | $348.5M | 7.41% |
| 8 | U.S. Bank National Association | Bank | 1 | $214.8M | 4.57% |
| 9 | JPMorgan Chase Bank, National Association | Bank | 1 | $181.6M | 3.86% |
| 10 | Frontier Credit Union | Credit union | 3 | $130.2M* | 2.77% |
| 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 |
|---|---|---|---|---|---|---|
| 2026 | $4.70B | 18 | 39 | Idaho Central Credit Union | 17.2% | 1,039 |
| 2025 | $4.56B | 18 | 40 | Idaho Central Credit Union | 16.5% | 1,025 |
| 2024 | $4.43B | 18 | 41 | Idaho Central Credit Union | 15.7% | 953 |
| 2023 | $4.70B | 18 | 43 | Idaho Central Credit Union | 22.2% | 1,075 |
| 2022 | $5.17B | 18 | 43 | Idaho Central Credit Union | 22.8% | 1,093 |
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.