| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Potlatch No. 1 Financial Credit Union | Credit union | 2 | $135.5M* | 23.10% |
| 2 | Spokane Teachers Credit Union | Credit union | 1 | $100.9M* | 17.20% |
| 3 | Columbia Bank | Bank | 1 | $80.9M | 13.79% |
| 4 | Banner Bank | Bank | 1 | $63.6M | 10.84% |
| 5 | U.S. Bank National Association | Bank | 1 | $60.1M | 10.24% |
| 6 | WaFd Bank | Bank | 1 | $51.1M | 8.70% |
| 7 | Twin River Bank | Bank | 2 | $49.3M | 8.40% |
| 8 | Lewis Clark Credit Union | Credit union | 1 | $45.3M* | 7.72% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $586.7M | 8 | 10 | Potlatch No. 1 Financial Credit Union | 23.1% | 1,448 |
| 2024 | $460.2M | 7 | 9 | Potlatch No. 1 Financial Credit Union | 27.3% | 1,674 |
| 2023 | $486.3M | 7 | 10 | Potlatch No. 1 Financial Credit Union | 25.6% | 1,610 |
| 2022 | $461.2M | 7 | 9 | Potlatch No. 1 Financial Credit Union | 28.0% | 1,669 |
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