Banks in Clinton County, Illinois
23 active bank branches operated by 13 institutions, per FDIC records.
Active branches
23
Banks present
13
Deposits (2026)
$1.6B
Closings since 2020
1
5 openings
Largest banks by deposits in Clinton County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Germantown Trust & Savings Bank | $433M | 27% | 4 |
| FCB Banks | $291M | 18.1% | 3 |
| 1NB Bank | $259M | 16.1% | 4 |
| Dieterich Bank | $187M | 11.7% | 3 |
| Farmers State Bank of Hoffman | $105M | 6.5% | 1 |
| Peoples National Bank | $82M | 5.1% | 1 |
| Constitution Bank | $75M | 4.7% | 1 |
| Regions Bank | $72M | 4.5% | 1 |
| U.S. Bank | $42M | 2.6% | 1 |
| First FSB of Mascoutah | $26M | 1.6% | 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.