| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Heartland State Bank | Bank | 2 | $89.7M | 28.77% |
| 2 | Dakotaland Federal Credit Union | Credit union | 1 | $49.6M* | 15.91% |
| 3 | American Bank & Trust | Bank | 1 | $48.0M | 15.40% |
| 4 | The Farmers State Bank of Turton | Bank | 1 | $34.9M | 11.18% |
| 5 | First Interstate Bank | Bank | 1 | $34.1M | 10.95% |
| 6 | BMO Bank National Association | Bank | 1 | $30.0M | 9.63% |
| 7 | Plains Commerce Bank | Bank | 1 | $25.4M | 8.16% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $311.7M | 7 | 8 | Heartland State Bank | 28.8% | 1,722 |
| 2025 | $291.5M | 7 | 8 | Heartland State Bank | 27.1% | 1,668 |
| 2024 | $286.8M | 7 | 8 | Heartland State Bank | 26.0% | 1,639 |
| 2023 | $297.8M | 7 | 8 | Heartland State Bank | 25.3% | 1,622 |
| 2022 | $359.5M | 8 | 9 | Heartland State Bank | 22.1% | 1,397 |
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.