| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 22 | $4.14B* | 18.08% |
| 2 | U.S. Bank National Association | Bank | 17 | $3.45B | 15.06% |
| 3 | Wells Fargo Bank, National Association | Bank | 11 | $2.94B | 12.83% |
| 4 | JPMorgan Chase Bank, National Association | Bank | 10 | $1.14B | 5.00% |
| 5 | KeyBank National Association | Bank | 8 | $919.7M | 4.02% |
| 6 | Zions Bancorporation, N.A. | Bank | 4 | $882.7M | 3.86% |
| 7 | Washington Trust Bank | Bank | 4 | $845.5M | 3.69% |
| 8 | First Interstate Bank | Bank | 10 | $790.8M | 3.45% |
| 9 | Capital Educators Federal Credit Union | Credit union | 9 | $788.1M* | 3.44% |
| 10 | Mountain America Federal Credit Union | Credit union | 4 | $723.1M* | 3.16% |
| 33 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $22.90B | 43 | 180 | Idaho Central Credit Union | 18.1% | 866 |
| 2024 | $20.72B | 38 | 173 | Idaho Central Credit Union | 17.6% | 918 |
| 2023 | $22.10B | 38 | 176 | Idaho Central Credit Union | 23.1% | 1,116 |
| 2022 | $23.01B | 34 | 171 | Idaho Central Credit Union | 21.3% | 1,089 |
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.