Banks in Rock Island County, Illinois
45 active bank branches operated by 16 institutions, per FDIC records.
Active branches
45
Banks present
16
Deposits (2025)
$3.1B
Closings since 2020
6
1 openings
Largest banks by deposits in Rock Island County (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Blackhawk Bank & Trust | $1.1B | 34.9% | 12 |
| Old National Bank | $346M | 11.2% | 2 |
| Quad City Bank and Trust Company | $249M | 8% | 1 |
| American Bank and Trust Company | $245M | 7.9% | 4 |
| TBK BANK | $234M | 7.5% | 7 |
| CBI Bank & Trust | $170M | 5.5% | 2 |
| Wells Fargo | $162M | 5.2% | 2 |
| Chase Bank | $155M | 5% | 1 |
| U.S. Bank | $129M | 4.2% | 3 |
| BankOrion | $96M | 3.1% | 3 |
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.