| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 1 | $188.2M* | 17.67% |
| 2 | Wells Fargo Bank, National Association | Bank | 1 | $152.1M | 14.28% |
| 3 | Columbia Bank | Bank | 1 | $137.2M | 12.89% |
| 4 | U.S. Bank National Association | Bank | 1 | $135.8M | 12.75% |
| 5 | Potlatch No. 1 Financial Credit Union | Credit union | 2 | $135.5M* | 12.73% |
| 6 | Zions Bancorporation, N.A. | Bank | 1 | $76.5M | 7.18% |
| 7 | Latah Credit Union | Credit union | 2 | $72.5M* | 6.81% |
| 8 | Banner Bank | Bank | 1 | $62.2M | 5.84% |
| 9 | JPMorgan Chase Bank, National Association | Bank | 1 | $60.1M | 5.65% |
| 10 | Washington Trust Bank | Bank | 1 | $44.6M | 4.19% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 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 | 21.9% | 1,279 |
| 2022 | $1.26B | 10 | 13 | Idaho Central Credit Union | 22.8% | 1,332 |
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.