| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bank Iowa | Bank | 2 | $159.6M | 16.26% |
| 2 | First State Bank | Bank | 2 | $126.0M | 12.84% |
| 3 | First Interstate Bank | Bank | 3 | $117.0M | 11.92% |
| 4 | U.S. Bank National Association | Bank | 1 | $102.9M | 10.49% |
| 5 | State Savings Bank | Bank | 1 | $100.1M | 10.20% |
| 6 | Great Southern Bank | Bank | 1 | $96.2M | 9.80% |
| 7 | Advantage Credit Union | Credit union | 1 | $89.6M* | 9.13% |
| 8 | FNNB Bank | Bank | 1 | $89.3M | 9.09% |
| 9 | Leighton State Bank | Bank | 1 | $58.1M | 5.92% |
| 10 | TruBank | Bank | 1 | $42.8M | 4.36% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $981.6M | 10 | 14 | Bank Iowa | 16.3% | 1,102 |
| 2025 | $957.8M | 10 | 14 | Bank Iowa | 17.1% | 1,108 |
| 2024 | $958.1M | 10 | 14 | Bank Iowa | 17.0% | 1,132 |
| 2023 | $993.4M | 10 | 14 | Bank Iowa | 15.9% | 1,145 |
| 2022 | $963.9M | 10 | 14 | Bank Iowa | 14.9% | 1,153 |
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.