| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 1 | $188.2M* | 48.55% |
| 2 | Potlatch No. 1 Financial Credit Union | Credit union | 1 | $67.8M* | 17.49% |
| 3 | Banner Bank | Bank | 1 | $51.5M | 13.28% |
| 4 | Lewis Clark Credit Union | Credit union | 1 | $45.3M* | 11.69% |
| 5 | Wells Fargo Bank, National Association | Bank | 1 | $34.8M | 8.99% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $387.6M | 5 | 5 | Idaho Central Credit Union | 48.5% | 3,057 |
| 2024 | $404.5M | 6 | 6 | Idaho Central Credit Union | 42.9% | 2,529 |
| 2023 | $515.1M | 6 | 6 | Idaho Central Credit Union | 49.6% | 3,002 |
| 2022 | $555.7M | 6 | 6 | Idaho Central Credit Union | 51.9% | 3,186 |
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.