Banks in Mercer County, Ohio
20 active bank branches operated by 9 institutions, per FDIC records.
Active branches
20
Banks present
9
Deposits (2025)
$2.1B
Closings since 2020
1
0 openings
Largest banks by deposits in Mercer County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| The Peoples Bank Co. | $710M | 34.2% | 6 |
| First Financial Bank | $464M | 22.3% | 3 |
| The St. Henry Bank | $429M | 20.6% | 3 |
| The Park National Bank | $136M | 6.6% | 1 |
| Mercer Savings Bank | $116M | 5.6% | 3 |
| The Citizens National Bank of Bluffton | $86M | 4.1% | 1 |
| Osgood Bank | $67M | 3.2% | 1 |
| Chase Bank | $67M | 3.2% | 1 |
| Woodforest National Bank | $2M | 0.1% | 1 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.