| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Pioneer Federal Credit Union | Credit union | 5 | $202.5M* | 29.75% |
| 2 | Idaho Central Credit Union | Credit union | 1 | $188.2M* | 27.65% |
| 3 | U.S. Bank National Association | Bank | 2 | $87.4M | 12.84% |
| 4 | First Interstate Bank | Bank | 1 | $84.0M | 12.35% |
| 5 | Wells Fargo Bank, National Association | Bank | 1 | $77.8M | 11.44% |
| 6 | JPMorgan Chase Bank, National Association | Bank | 1 | $40.6M | 5.97% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $680.5M | 6 | 11 | Pioneer Federal Credit Union | 29.8% | 2,133 |
| 2024 | $501.7M | 5 | 10 | Pioneer Federal Credit Union | 40.8% | 2,589 |
| 2023 | $513.5M | 5 | 11 | Pioneer Federal Credit Union | 43.3% | 2,721 |
| 2022 | $540.3M | 5 | 11 | Pioneer Federal Credit Union | 41.1% | 2,613 |
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.