Banks in Story County, Iowa
40 active bank branches operated by 22 institutions, per FDIC records.
Active branches
40
Banks present
22
Deposits (2026)
$3.1B
Closings since 2020
7
6 openings
Largest banks by deposits in Story County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| First National Bank, Ames, Iowa | $674M | 21.7% | 4 |
| U.S. Bank | $353M | 11.4% | 2 |
| South Story Bank & Trust | $347M | 11.2% | 5 |
| Availa Bank | $329M | 10.6% | 2 |
| Wells Fargo | $267M | 8.6% | 1 |
| VISIONBANK OF IOWA | $184M | 5.9% | 4 |
| State Bank & Trust Co. | $174M | 5.6% | 1 |
| Bankers Trust Company | $168M | 5.4% | 1 |
| First Interstate Bank | $137M | 4.4% | 3 |
| Reliance State Bank | $101M | 3.2% | 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.