| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Potlatch No. 1 Financial Credit Union | Credit union | 6 | $395.2M* | 20.57% |
| 2 | U.S. Bank National Association | Bank | 2 | $230.5M | 12.00% |
| 3 | Idaho Central Credit Union | Credit union | 1 | $202.5M* | 10.54% |
| 4 | Columbia Bank | Bank | 2 | $173.3M | 9.02% |
| 5 | Banner Bank | Bank | 2 | $150.8M | 7.85% |
| 6 | Twin River Bank | Bank | 4 | $150.5M | 7.83% |
| 7 | Lewis Clark Credit Union | Credit union | 3 | $143.7M* | 7.48% |
| 8 | Wells Fargo Bank, National Association | Bank | 1 | $120.6M | 6.28% |
| 9 | Spokane Teachers Credit Union | Credit union | 1 | $100.5M* | 5.23% |
| 10 | Washington Trust Bank | Bank | 1 | $76.7M | 3.99% |
| 4 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 |
|---|---|---|---|---|---|---|
| 2026 | $1.92B | 14 | 27 | Potlatch No. 1 Financial Credit Union | 20.6% | 1,045 |
| 2025 | $1.88B | 14 | 27 | Potlatch No. 1 Financial Credit Union | 21.7% | 1,082 |
| 2024 | $1.64B | 13 | 26 | Potlatch No. 1 Financial Credit Union | 22.9% | 1,179 |
| 2023 | $1.76B | 13 | 27 | Potlatch No. 1 Financial Credit Union | 20.9% | 1,181 |
| 2022 | $1.90B | 14 | 27 | Potlatch No. 1 Financial Credit Union | 20.1% | 1,136 |
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.