| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Stock Growers Bank | Bank | 1 | $81.4M | 53.12% |
| 2 | First Community Credit Union | Credit union | 1 | $42.0M* | 27.40% |
| 3 | Dakota Heritage Bank | Bank | 1 | $29.9M | 19.48% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $153.3M | 3 | 3 | Stock Growers Bank | 53.1% | 3,952 |
| 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 | $138.7M | 3 | 3 | Stock Growers Bank | 54.6% | 4,054 |
| 2022 | $147.9M | 3 | 3 | Stock Growers Bank | 53.6% | 3,963 |
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.