Every FDIC-insured bank branch in Winona County, Minnesota as of June 30, 2025. County land area: 626 square miles, 2.4 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Merchants Bank, National Association | 4 | $673.7M |
| WNB FINANCIAL, N.A. | 3 | $298.8M |
| Old National Bank | 2 | $167.3M |
| Peoples State Bank of Plainview | 1 | $56.1M |
| Oakwood Bank | 1 | $19.6M |
| Minnwest Bank | 1 | $48.3M |
| Minnesota First Credit and Savings, Incorporated | 1 | $1.9M |
| Wells Fargo Bank, National Association | 1 | $159.3M |
| Alerus Financial, National Association | 1 | $30.5M |