Banks in Clinton County, Iowa
20 active bank branches operated by 7 institutions, per FDIC records.
Active branches
20
Banks present
7
Deposits (2026)
$1.4B
Closings since 2020
3
1 openings
Largest banks by deposits in Clinton County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| First Central State Bank | $339M | 24.3% | 4 |
| Citizens First Bank | $279M | 19.9% | 3 |
| The Clinton National Bank | $258M | 18.5% | 6 |
| First Trust and Savings Bank | $210M | 15% | 4 |
| DeWitt Bank & Trust Co. | $205M | 14.6% | 1 |
| U.S. Bank | $74M | 5.3% | 1 |
| Sterling Federal Bank | $35M | 2.5% | 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.