| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Iowa State Bank | Bank | 3 | $278.0M | 30.08% |
| 2 | Farmers State Bank | Bank | 3 | $117.5M | 12.71% |
| 3 | Northwest Bank | Bank | 1 | $112.1M | 12.13% |
| 4 | West Iowa Bank | Bank | 3 | $104.9M | 11.35% |
| 5 | Security State Bank | Bank | 4 | $90.0M | 9.75% |
| 6 | Fidelity Bank & Trust | Bank | 1 | $72.5M | 7.84% |
| 7 | NSB Bank | Bank | 1 | $66.5M | 7.19% |
| 8 | Bank Plus | Bank | 2 | $39.7M | 4.30% |
| 9 | Citizens Community Credit Union | Credit union | 1 | $24.2M* | 2.62% |
| 10 | Farmers Trust and Savings Bank | Bank | 1 | $18.7M | 2.02% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $924.0M | 10 | 20 | Iowa State Bank | 30.1% | 1,580 |
| 2024 | $819.3M | 10 | 18 | Iowa State Bank | 33.5% | 1,765 |
| 2023 | $828.0M | 10 | 18 | Iowa State Bank | 32.8% | 1,727 |
| 2022 | $876.5M | 10 | 18 | Iowa State Bank | 33.6% | 1,778 |
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.