| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Iowa State Bank | Bank | 3 | $317.8M | 32.52% |
| 2 | Farmers State Bank | Bank | 3 | $130.7M | 13.37% |
| 3 | Northwest Bank | Bank | 1 | $120.2M | 12.30% |
| 4 | West Iowa Bank | Bank | 3 | $108.1M | 11.06% |
| 5 | Security State Bank | Bank | 4 | $79.7M | 8.15% |
| 6 | Fidelity Bank & Trust | Bank | 1 | $69.4M | 7.10% |
| 7 | NSB Bank | Bank | 1 | $62.4M | 6.39% |
| 8 | Bank Plus | Bank | 2 | $42.1M | 4.31% |
| 9 | Citizens Community Credit Union | Credit union | 1 | $25.2M* | 2.58% |
| 10 | Farmers Trust and Savings Bank | Bank | 1 | $21.7M | 2.22% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $977.2M | 10 | 20 | Iowa State Bank | 32.5% | 1,698 |
| 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 | $827.8M | 10 | 18 | Iowa State Bank | 32.8% | 1,728 |
| 2022 | $876.4M | 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.