| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 1 | $202.5M* | 50.33% |
| 2 | Potlatch No. 1 Financial Credit Union | Credit union | 1 | $65.9M* | 16.37% |
| 3 | Banner Bank | Bank | 1 | $51.1M | 12.71% |
| 4 | Lewis Clark Credit Union | Credit union | 1 | $47.9M* | 11.90% |
| 5 | Wells Fargo Bank, National Association | Bank | 1 | $34.9M | 8.68% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $402.3M | 5 | 5 | Idaho Central Credit Union | 50.3% | 3,180 |
| 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 | $518.5M | 6 | 6 | Idaho Central Credit Union | 50.3% | 3,060 |
| 2022 | $559.8M | 6 | 6 | Idaho Central Credit Union | 52.7% | 3,248 |
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.