Every FDIC-insured bank branch in Ottawa County, Ohio as of June 30, 2025. County land area: 255 square miles, 7.9 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| The State Bank and Trust Company | 3 | $50.6M |
| The Croghan Colonial Bank | 3 | $175.7M |
| The Genoa Banking Company | 3 | $342.3M |
| The First National Bank of Bellevue | 3 | $88.9M |
| The Huntington National Bank | 2 | $274.3M |
| Civista Bank | 1 | $14.5M |
| KeyBank National Association | 1 | $44.1M |
| Woodforest National Bank | 1 | $4.0M |
| First Federal Savings and Loan Association of Lorain | 1 | $33.3M |
| U.S. Bank National Association | 1 | $99.5M |
| WesBanco Bank, Inc. | 1 | $64.7M |