| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Idaho Central Credit Union | Credit union | 4 | $809.9M* | 30.63% |
| 2 | U.S. Bank National Association | Bank | 1 | $242.5M | 9.17% |
| 3 | Glacier Bank | Bank | 4 | $240.4M | 9.09% |
| 4 | Wells Fargo Bank, National Association | Bank | 2 | $225.0M | 8.51% |
| 5 | Mountain America Federal Credit Union | Credit union | 1 | $188.0M* | 7.11% |
| 6 | Lookout Federal Credit Union | Credit union | 3 | $120.7M* | 4.56% |
| 7 | Zions Bancorporation, N.A. | Bank | 1 | $108.0M | 4.09% |
| 8 | Advantage Plus Federal Credit Union | Credit union | 3 | $98.9M* | 3.74% |
| 9 | KeyBank National Association | Bank | 1 | $94.3M | 3.57% |
| 10 | D. L. Evans Bank | Bank | 2 | $93.8M | 3.55% |
| 9 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 | $2.64B | 19 | 37 | Idaho Central Credit Union | 30.6% | 1,343 |
| 2025 | $2.50B | 19 | 38 | Idaho Central Credit Union | 30.1% | 1,318 |
| 2024 | $2.34B | 20 | 37 | Idaho Central Credit Union | 29.7% | 1,255 |
| 2023 | $2.82B | 20 | 38 | Idaho Central Credit Union | 37.1% | 1,667 |
| 2022 | $3.04B | 20 | 43 | Idaho Central Credit Union | 38.8% | 1,789 |
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.