| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Federal Savings Bank of Twin Falls | Bank | 7 | $762.4M | 24.26% |
| 2 | Idaho Central Credit Union | Credit union | 2 | $405.0M* | 12.89% |
| 3 | Farmers Bank | Bank | 4 | $385.0M | 12.25% |
| 4 | D. L. Evans Bank | Bank | 4 | $360.6M | 11.48% |
| 5 | Wells Fargo Bank, National Association | Bank | 2 | $236.7M | 7.53% |
| 6 | U.S. Bank National Association | Bank | 2 | $196.5M | 6.26% |
| 7 | Mountain America Federal Credit Union | Credit union | 1 | $188.0M* | 5.98% |
| 8 | Zions Bancorporation, N.A. | Bank | 2 | $113.5M | 3.61% |
| 9 | Westmark Credit Union | Credit union | 1 | $92.4M* | 2.94% |
| 10 | Banner Bank | Bank | 1 | $82.6M | 2.63% |
| 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 | $3.14B | 19 | 35 | First Federal Savings Bank of Twin Falls | 24.3% | 1,213 |
| 2025 | $3.06B | 19 | 35 | First Federal Savings Bank of Twin Falls | 26.5% | 1,273 |
| 2024 | $2.98B | 19 | 35 | First Federal Savings Bank of Twin Falls | 26.4% | 1,257 |
| 2023 | $3.07B | 19 | 36 | First Federal Savings Bank of Twin Falls | 22.6% | 1,205 |
| 2022 | $3.28B | 19 | 36 | First Federal Savings Bank of Twin Falls | 21.8% | 1,204 |
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.