| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 5 | $1.01B* | 18.19% |
| 2 | The Bank of Commerce | Bank | 8 | $1.00B | 18.00% |
| 3 | Westmark Credit Union | Credit union | 6 | $554.5M* | 9.97% |
| 4 | Wells Fargo Bank, National Association | Bank | 3 | $492.5M | 8.85% |
| 5 | Glacier Bank | Bank | 4 | $478.2M | 8.59% |
| 6 | Zions Bancorporation, N.A. | Bank | 3 | $469.6M | 8.44% |
| 7 | Mountain America Federal Credit Union | Credit union | 2 | $376.0M* | 6.76% |
| 8 | U.S. Bank National Association | Bank | 1 | $214.8M | 3.86% |
| 9 | D. L. Evans Bank | Bank | 3 | $186.2M | 3.35% |
| 10 | JPMorgan Chase Bank, National Association | Bank | 1 | $181.6M | 3.26% |
| 8 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 |
|---|---|---|---|---|---|---|
| 2026 | $5.56B | 18 | 48 | Idaho Central Credit Union | 18.2% | 1,080 |
| 2025 | $5.38B | 18 | 49 | Idaho Central Credit Union | 17.5% | 1,061 |
| 2024 | $5.21B | 18 | 50 | Idaho Central Credit Union | 16.6% | 1,000 |
| 2023 | $5.35B | 18 | 52 | Idaho Central Credit Union | 19.5% | 1,023 |
| 2022 | $5.85B | 18 | 52 | Idaho Central Credit Union | 20.2% | 1,041 |
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.