| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Bank & Trust | Bank | 1 | $185.0M | 31.69% |
| 2 | Wells Fargo Bank, National Association | Bank | 1 | $88.7M | 15.19% |
| 3 | BankWest, Inc. | Bank | 1 | $87.8M | 15.04% |
| 4 | First Interstate Bank | Bank | 1 | $67.5M | 11.56% |
| 5 | Dakotaland Federal Credit Union | Credit union | 1 | $49.6M* | 8.49% |
| 6 | First PREMIER Bank | Bank | 1 | $49.4M | 8.46% |
| 7 | East River Federal Credit Union | Credit union | 1 | $37.1M* | 6.35% |
| 8 | First National Bank | Bank | 1 | $18.7M | 3.20% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $583.7M | 8 | 8 | First Bank & Trust | 31.7% | 1,789 |
| 2025 | $520.7M | 8 | 8 | First Bank & Trust | 37.3% | 2,025 |
| 2024 | $517.3M | 8 | 8 | First Bank & Trust | 37.9% | 2,091 |
| 2023 | $533.0M | 8 | 8 | First Bank & Trust | 38.9% | 2,175 |
| 2022 | $594.6M | 8 | 8 | First Bank & Trust | 42.5% | 2,437 |
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.