Every FDIC-insured bank branch in Defiance County, Ohio as of June 30, 2025. County land area: 411 square miles, 3.9 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| The State Bank and Trust Company | 3 | $323.2M |
| WesBanco Bank, Inc. | 3 | $478.8M |
| The Sherwood State Bank | 2 | $52.0M |
| The Farmers & Merchants State Bank | 2 | $144.2M |
| The Hicksville Bank | 1 | $76.6M |
| KeyBank National Association | 1 | $26.5M |
| Woodforest National Bank | 1 | $3.4M |
| The Citizens National Bank of Bluffton | 1 | $50.6M |
| The Huntington National Bank | 1 | $96.4M |
| Fifth Third Bank, National Association | 1 | $78.3M |