| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Potlatch No. 1 Financial Credit Union | Credit union | 2 | $131.7M* | 22.76% |
| 2 | Spokane Teachers Credit Union | Credit union | 1 | $100.5M* | 17.37% |
| 3 | Columbia Bank | Bank | 1 | $70.5M | 12.19% |
| 4 | U.S. Bank National Association | Bank | 1 | $64.7M | 11.17% |
| 5 | Banner Bank | Bank | 1 | $60.4M | 10.44% |
| 6 | Twin River Bank | Bank | 2 | $52.7M | 9.11% |
| 7 | WaFd Bank | Bank | 1 | $50.3M | 8.69% |
| 8 | Lewis Clark Credit Union | Credit union | 1 | $47.9M* | 8.27% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $578.8M | 8 | 10 | Potlatch No. 1 Financial Credit Union | 22.8% | 1,429 |
| 2025 | $586.7M | 8 | 10 | Potlatch No. 1 Financial Credit Union | 23.1% | 1,448 |
| 2024 | $465.6M | 8 | 10 | Potlatch No. 1 Financial Credit Union | 26.9% | 1,636 |
| 2023 | $489.4M | 8 | 11 | Potlatch No. 1 Financial Credit Union | 25.1% | 1,567 |
| 2022 | $507.0M | 9 | 11 | Potlatch No. 1 Financial Credit Union | 25.1% | 1,427 |
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.