| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Citizens Alliance Bank | Bank | 3 | $274.5M | 44.82% |
| 2 | Minnwest Bank | Bank | 2 | $124.2M | 20.28% |
| 3 | Old National Bank | Bank | 1 | $105.8M | 17.28% |
| 4 | Co-Op Credit Union Of Montevideo Credit Union | Credit union | 1 | $88.1M* | 14.39% |
| 5 | Prairie Sun Bank | Bank | 1 | $19.8M | 3.23% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $612.5M | 5 | 8 | Citizens Alliance Bank | 44.8% | 2,936 |
| 2025 | $699.8M | 5 | 7 | Citizens Alliance Bank | 55.2% | 3,658 |
| 2024 | $549.3M | 5 | 8 | Citizens Alliance Bank | 41.7% | 2,789 |
| 2023 | $601.7M | 5 | 8 | Citizens Alliance Bank | 45.8% | 3,037 |
| 2022 | $574.1M | 5 | 8 | Citizens Alliance Bank | 37.0% | 2,642 |
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.