| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Dacotah Bank | Bank | 3 | $861.9M | 39.22% |
| 2 | Plains Commerce Bank | Bank | 1 | $285.5M | 12.99% |
| 3 | Wells Fargo Bank, National Association | Bank | 1 | $221.3M | 10.07% |
| 4 | First Interstate Bank | Bank | 2 | $188.7M | 8.59% |
| 5 | American Bank & Trust | Bank | 1 | $120.3M | 5.48% |
| 6 | BankNorth | Bank | 2 | $104.6M | 4.76% |
| 7 | U.S. Bank National Association | Bank | 1 | $88.2M | 4.02% |
| 8 | Area Federal Credit Union | Credit union | 1 | $82.5M* | 3.76% |
| 9 | Healthcare Plus Federal Credit Union | Credit union | 1 | $63.1M* | 2.87% |
| 10 | Dakotaland Federal Credit Union | Credit union | 1 | $49.6M* | 2.26% |
| 5 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $2.20B | 15 | 19 | Dacotah Bank | 39.2% | 1,989 |
| 2025 | $2.14B | 14 | 18 | Dacotah Bank | 41.3% | 2,131 |
| 2024 | $2.09B | 14 | 18 | Dacotah Bank | 38.0% | 1,906 |
| 2023 | $2.04B | 14 | 18 | Dacotah Bank | 32.5% | 1,585 |
| 2022 | $2.11B | 14 | 18 | Dacotah Bank | 30.6% | 1,547 |
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.