| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Central Bank | Bank | 3 | $337.2M | 32.90% |
| 2 | Security Trust & Savings Bank | Bank | 3 | $243.9M | 23.80% |
| 3 | The Citizens First National Bank of Storm Lake | Bank | 2 | $187.3M | 18.28% |
| 4 | United Bank of Iowa | Bank | 3 | $144.0M | 14.05% |
| 5 | Community State Bank | Bank | 2 | $59.7M | 5.83% |
| 6 | First Community Bank | Bank | 1 | $28.6M | 2.79% |
| 7 | Citizens Community Credit Union | Credit union | 1 | $24.2M* | 2.36% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.02B | 7 | 15 | Central Bank | 32.9% | 2,228 |
| 2024 | $886.4M | 7 | 14 | Central Bank | 28.2% | 2,139 |
| 2023 | $1.00B | 7 | 14 | Central Bank | 34.9% | 2,334 |
| 2022 | $1.05B | 7 | 14 | Central Bank | 31.1% | 2,247 |
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.