| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Success Bank | Bank | 1 | $221.2M | 68.31% |
| 2 | First Iowa State Bank | Bank | 1 | $46.3M | 14.29% |
| 3 | Community 1St Credit Union | Credit union | 1 | $40.9M* | 12.63% |
| 4 | BMO Bank National Association | Bank | 1 | $15.4M | 4.76% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $323.8M | 4 | 4 | Success Bank | 68.3% | 5,053 |
| 2025 | $308.7M | 4 | 4 | Success Bank | 68.2% | 5,035 |
| 2024 | $306.3M | 4 | 4 | Success Bank | 67.0% | 4,904 |
| 2023 | $310.0M | 4 | 4 | Success Bank | 64.9% | 4,683 |
| 2022 | $301.8M | 4 | 4 | Success Bank | 64.6% | 4,633 |
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.