| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 1 | $202.5M* | 18.08% |
| 2 | Wells Fargo Bank, National Association | Bank | 1 | $157.2M | 14.03% |
| 3 | Columbia Bank | Bank | 1 | $143.2M | 12.79% |
| 4 | U.S. Bank National Association | Bank | 1 | $139.2M | 12.43% |
| 5 | Potlatch No. 1 Financial Credit Union | Credit union | 2 | $131.7M* | 11.76% |
| 6 | Zions Bancorporation, N.A. | Bank | 1 | $81.7M | 7.29% |
| 7 | Latah Credit Union | Credit union | 2 | $75.5M* | 6.74% |
| 8 | JPMorgan Chase Bank, National Association | Bank | 1 | $75.4M | 6.73% |
| 9 | Banner Bank | Bank | 1 | $64.9M | 5.79% |
| 10 | Washington Trust Bank | Bank | 1 | $48.8M | 4.36% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $1.12B | 10 | 12 | Idaho Central Credit Union | 18.1% | 1,177 |
| 2025 | $1.06B | 10 | 12 | Idaho Central Credit Union | 17.7% | 1,188 |
| 2024 | $1.07B | 10 | 13 | Idaho Central Credit Union | 16.3% | 1,192 |
| 2023 | $1.17B | 10 | 13 | Idaho Central Credit Union | 22.3% | 1,289 |
| 2022 | $1.27B | 10 | 13 | Idaho Central Credit Union | 23.2% | 1,342 |
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.