| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Dakota National Bank | Bank | 1 | $126.2M | 64.15% |
| 2 | Rivers Edge Bank | Bank | 1 | $30.0M | 15.24% |
| 3 | Security State Bank | Bank | 1 | $21.0M | 10.68% |
| 4 | The Security State Bank | Bank | 1 | $19.5M | 9.92% |
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $196.8M | 4 | 4 | First Dakota National Bank | 64.2% | 4,560 |
| 2024 | $201.1M | 4 | 5 | First Dakota National Bank | 59.2% | 4,078 |
| 2023 | $210.8M | 4 | 5 | First Dakota National Bank | 60.0% | 4,142 |
| 2022 | $216.9M | 4 | 5 | First Dakota National Bank | 59.3% | 4,091 |
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.