Banks in Decatur County, Iowa
5 active bank branches operated by 5 institutions, per FDIC records.
Active branches
5
Banks present
5
Deposits (2025)
$188M
Closings since 2020
0
0 openings
Largest banks by deposits in Decatur County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| American State Bank | $55M | 29.5% | 1 |
| First Interstate Bank | $51M | 27.3% | 1 |
| BTC Bank | $32M | 16.9% | 1 |
| Farmers Bank of Northern Missouri | $29M | 15.2% | 1 |
| BMO Bank | $21M | 11.1% | 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.