| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Potlatch No. 1 Financial Credit Union | Credit union | 6 | $406.6M* | 21.66% |
| 2 | U.S. Bank National Association | Bank | 2 | $227.7M | 12.13% |
| 3 | Idaho Central Credit Union | Credit union | 1 | $188.2M* | 10.03% |
| 4 | Columbia Bank | Bank | 2 | $182.3M | 9.71% |
| 5 | Banner Bank | Bank | 2 | $152.2M | 8.11% |
| 6 | Twin River Bank | Bank | 4 | $139.5M | 7.43% |
| 7 | Lewis Clark Credit Union | Credit union | 3 | $136.0M* | 7.24% |
| 8 | Wells Fargo Bank, National Association | Bank | 1 | $111.2M | 5.92% |
| 9 | Spokane Teachers Credit Union | Credit union | 1 | $100.9M* | 5.38% |
| 10 | Washington Trust Bank | Bank | 1 | $62.2M | 3.31% |
| 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 |
|---|---|---|---|---|---|---|
| 2025 | $1.88B | 14 | 27 | Potlatch No. 1 Financial Credit Union | 21.7% | 1,082 |
| 2024 | $1.64B | 12 | 25 | Potlatch No. 1 Financial Credit Union | 23.0% | 1,187 |
| 2023 | $1.76B | 12 | 26 | Potlatch No. 1 Financial Credit Union | 21.3% | 1,192 |
| 2022 | $1.85B | 12 | 25 | Potlatch No. 1 Financial Credit Union | 20.9% | 1,194 |
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.