Every FDIC-insured bank branch in Darke County, Ohio as of June 30, 2025. County land area: 598 square miles, 3.8 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Greenville National Bank | 7 | $426.9M |
| The Park National Bank | 5 | $342.4M |
| The Farmers State Bank | 3 | $140.6M |
| Greenville Federal | 1 | $192.8M |
| The Covington Savings and Loan Association | 1 | $8.7M |
| Versailles Savings and Loan Company | 1 | $47.4M |
| Mercer Savings Bank | 1 | $26.1M |
| JPMorgan Chase Bank, National Association | 1 | $79.2M |
| U.S. Bank National Association | 1 | $99.9M |
| Fifth Third Bank, National Association | 1 | $74.6M |
| Osgood Bank | 1 | $209.7M |