| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Dakota National Bank | Bank | 1 | $131.9M | 64.39% |
| 2 | Rivers Edge Bank | Bank | 1 | $33.0M | 16.12% |
| 3 | Security State Bank | Bank | 1 | $20.1M | 9.82% |
| 4 | The Security State Bank | Bank | 1 | $19.8M | 9.67% |
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $204.9M | 4 | 4 | First Dakota National Bank | 64.4% | 4,596 |
| 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.