Every FDIC-insured bank branch in Fairfield County, Ohio as of June 30, 2025. County land area: 504 square miles, 6.5 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| The Park National Bank | 4 | $528.8M |
| Fairfield Federal Savings and Loan Association of Lancaster | 3 | $244.3M |
| JPMorgan Chase Bank, National Association | 3 | $436.4M |
| PNC Bank, National Association | 3 | $234.3M |
| THE VINTON COUNTY NATIONAL BANK | 3 | $370.6M |
| Fifth Third Bank, National Association | 3 | $290.9M |
| Peoples Bank | 2 | $135.5M |
| The Huntington National Bank | 2 | $503.4M |
| Unified Bank | 2 | $29.3M |
| The Savings Bank | 1 | $76.2M |
| German American Bank | 1 | $48.7M |
| KeyBank National Association | 1 | $31.0M |
| North Valley Bank | 1 | $37.5M |
| Woodforest National Bank | 1 | $2.0M |
| Union Savings Bank | 1 | $105.7M |
| U.S. Bank National Association | 1 | $120.4M |
| Kingston National Bank | 1 | $73.9M |