| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Bank & Trust | Bank | 1 | $194.0M | 37.26% |
| 2 | First Interstate Bank | Bank | 1 | $74.2M | 14.25% |
| 3 | Wells Fargo Bank, National Association | Bank | 1 | $62.9M | 12.07% |
| 4 | BankWest, Inc. | Bank | 1 | $49.4M | 9.49% |
| 5 | Dakotaland Federal Credit Union | Credit union | 1 | $48.0M* | 9.22% |
| 6 | First PREMIER Bank | Bank | 1 | $39.5M | 7.58% |
| 7 | East River Federal Credit Union | Credit union | 1 | $34.0M* | 6.53% |
| 8 | First National Bank | Bank | 1 | $18.8M | 3.60% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 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 | $533.4M | 8 | 8 | First Bank & Trust | 38.9% | 2,174 |
| 2022 | $595.0M | 8 | 8 | First Bank & Trust | 42.5% | 2,435 |
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.