| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bank Iowa | Bank | 2 | $163.3M | 17.05% |
| 2 | First State Bank | Bank | 2 | $115.3M | 12.04% |
| 3 | First Interstate Bank | Bank | 3 | $111.8M | 11.67% |
| 4 | U.S. Bank National Association | Bank | 1 | $103.9M | 10.85% |
| 5 | Great Southern Bank | Bank | 1 | $102.5M | 10.70% |
| 6 | Advantage Credit Union | Credit union | 1 | $89.6M* | 9.36% |
| 7 | FNNB Bank | Bank | 1 | $86.9M | 9.08% |
| 8 | State Savings Bank | Bank | 1 | $84.5M | 8.82% |
| 9 | Leighton State Bank | Bank | 1 | $56.8M | 5.93% |
| 10 | TruBank | Bank | 1 | $43.3M | 4.52% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $957.8M | 10 | 14 | Bank Iowa | 17.1% | 1,108 |
| 2024 | $958.1M | 10 | 14 | Bank Iowa | 17.0% | 1,132 |
| 2023 | $993.9M | 10 | 14 | Bank Iowa | 15.9% | 1,145 |
| 2022 | $964.3M | 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.