| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Banner Bank | Bank | 1 | $80.0M | 29.01% |
| 2 | Columbia Bank | Bank | 1 | $79.8M | 28.94% |
| 3 | Potlatch No. 1 Financial Credit Union | Credit union | 1 | $65.9M* | 23.89% |
| 4 | Latah Credit Union | Credit union | 1 | $37.7M* | 13.69% |
| 5 | St Joe Valley Credit Union | Credit union | 1 | $12.3M* | 4.46% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $275.7M | 5 | 5 | Banner Bank | 29.0% | 2,457 |
| 2025 | $247.5M | 5 | 5 | Banner Bank | 29.8% | 2,428 |
| 2024 | $256.2M | 5 | 5 | Banner Bank | 28.9% | 2,448 |
| 2023 | $277.4M | 6 | 6 | Banner Bank | 28.5% | 2,067 |
| 2022 | $246.4M | 6 | 6 | Banner Bank | 31.4% | 2,169 |
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.