| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | BankNorth | Bank | 2 | $116.9M | 42.28% |
| 2 | Old National Bank | Bank | 1 | $80.7M | 29.19% |
| 3 | Stock Growers Bank | Bank | 1 | $34.5M | 12.48% |
| 4 | Dakota Plains Credit Union | Credit union | 1 | $27.0M* | 9.78% |
| 5 | American Bank & Trust | Bank | 1 | $15.8M | 5.71% |
| 6 | Lisbon Farmers Union Credit Union | Credit union | 2 | $1.6M* | 0.57% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $276.6M | 6 | 8 | BankNorth | 42.3% | 2,924 |
| 2025 | $262.1M | 6 | 7 | BankNorth | 37.6% | 3,028 |
| 2024 | $249.3M | 6 | 7 | Bremer Bank, National Association | 40.7% | 3,218 |
| 2023 | $255.5M | 5 | 6 | Bremer Bank, National Association | 41.4% | 3,251 |
| 2022 | $276.4M | 5 | 6 | Bremer Bank, National Association | 44.3% | 3,429 |
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.