| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Stock Growers Bank | Bank | 1 | $78.1M | 52.76% |
| 2 | First Community Credit Union | Credit union | 1 | $41.1M* | 27.77% |
| 3 | Dakota Heritage Bank | Bank | 1 | $28.8M | 19.47% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $148.1M | 3 | 3 | Stock Growers Bank | 52.8% | 3,934 |
| 2024 | $139.2M | 3 | 3 | Stock Growers Bank | 54.4% | 4,044 |
| 2023 | $139.2M | 3 | 3 | Stock Growers Bank | 54.4% | 4,045 |
| 2022 | $148.4M | 3 | 3 | Stock Growers Bank | 53.5% | 3,953 |
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.