Banks in Adair County, Iowa
9 active bank branches operated by 5 institutions, per FDIC records.
Active branches
9
Banks present
5
Deposits (2026)
$307M
Closings since 2020
0
1 openings
Largest banks by deposits in Adair County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| FNB Bank | $144M | 46.8% | 2 |
| Union State Bank | $116M | 37.7% | 3 |
| Farmers and Merchants State Bank | $31M | 10.1% | 2 |
| Rolling Hills Bank & Trust | $16M | 5.4% | 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.