Every FDIC-insured bank branch in Brown County, Minnesota as of June 30, 2025. County land area: 611 square miles, 1.8 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Alliance Bank | 2 | $166.4M |
| United Prairie Bank | 1 | $68.2M |
| Farmers and Merchants State Bank of Springfield | 1 | $82.3M |
| Frandsen Bank & Trust | 1 | $101.9M |
| Triumph State Bank | 1 | $11.7M |
| MidCountry Bank | 1 | $19.0M |
| Bank Midwest | 1 | $99.8M |
| First Security Bank - Sleepy Eye | 1 | $52.7M |
| Citizens Bank Minnesota | 1 | $277.7M |
| Americana Community Bank | 1 | $60.6M |