| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 2 | $376.4M* | 30.56% |
| 2 | The Bank of Commerce | Bank | 2 | $305.0M | 24.76% |
| 3 | Zions Bancorporation, N.A. | Bank | 1 | $118.2M | 9.60% |
| 4 | Wells Fargo Bank, National Association | Bank | 2 | $91.5M | 7.43% |
| 5 | Westmark Credit Union | Credit union | 1 | $86.3M* | 7.00% |
| 6 | D. L. Evans Bank | Bank | 1 | $48.3M | 3.92% |
| 7 | Frontier Credit Union | Credit union | 1 | $48.2M* | 3.91% |
| 8 | KeyBank National Association | Bank | 1 | $46.0M | 3.74% |
| 9 | Lookout Federal Credit Union | Credit union | 1 | $38.4M* | 3.12% |
| 10 | Ireland Bank | Bank | 1 | $28.6M | 2.32% |
| 3 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 | $1.23B | 13 | 16 | Idaho Central Credit Union | 30.6% | 1,808 |
| 2024 | $1.23B | 14 | 17 | Idaho Central Credit Union | 28.3% | 1,656 |
| 2023 | $1.39B | 14 | 17 | Idaho Central Credit Union | 36.8% | 1,978 |
| 2022 | $1.20B | 14 | 16 | Idaho Central Credit Union | 24.1% | 1,452 |
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.