Banks in Marion County, Iowa
17 active bank branches operated by 10 institutions, per FDIC records.
Active branches
17
Banks present
10
Deposits (2026)
$1.2B
Closings since 2020
0
3 openings
Largest banks by deposits in Marion County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Marion County State Bank | $547M | 46.6% | 5 |
| Leighton State Bank | $166M | 14.1% | 2 |
| Wells Fargo | $117M | 10% | 1 |
| U.S. Bank | $88M | 7.5% | 1 |
| Peoples Savings Bank | $68M | 5.8% | 2 |
| Nicolet National Bank | $60M | 5.2% | 2 |
| Bank Iowa | $44M | 3.7% | 1 |
| Twin Cedars Bank | $35M | 3% | 1 |
| Washington State Bank | $24M | 2.1% | 1 |
| Great Southern Bank | $24M | 2% | 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.