| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 4 | $752.8M* | 30.12% |
| 2 | Glacier Bank | Bank | 5 | $245.4M | 9.82% |
| 3 | U.S. Bank National Association | Bank | 1 | $219.3M | 8.77% |
| 4 | Wells Fargo Bank, National Association | Bank | 2 | $215.4M | 8.62% |
| 5 | Mountain America Federal Credit Union | Credit union | 1 | $180.8M* | 7.23% |
| 6 | Lookout Federal Credit Union | Credit union | 3 | $115.1M* | 4.61% |
| 7 | KeyBank National Association | Bank | 1 | $94.4M | 3.78% |
| 8 | Advantage Plus Federal Credit Union | Credit union | 3 | $91.4M* | 3.66% |
| 9 | Westmark Credit Union | Credit union | 1 | $86.3M* | 3.45% |
| 10 | D. L. Evans Bank | Bank | 2 | $86.0M | 3.44% |
| 9 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 | $2.50B | 19 | 38 | Idaho Central Credit Union | 30.1% | 1,318 |
| 2024 | $2.27B | 19 | 36 | Idaho Central Credit Union | 30.6% | 1,326 |
| 2023 | $2.71B | 19 | 37 | Idaho Central Credit Union | 37.6% | 1,724 |
| 2022 | $2.93B | 19 | 41 | Idaho Central Credit Union | 39.5% | 1,857 |
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.