Every FDIC-insured bank branch in Rock Island County, Illinois as of June 30, 2025. County land area: 427 square miles, 10.3 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Blackhawk Bank & Trust | 12 | $1.08B |
| TBK BANK, SSB | 7 | $233.7M |
| American Bank and Trust Company, National Association | 4 | $245.0M |
| U.S. Bank National Association | 3 | $129.0M |
| BankOrion | 2 | $96.4M |
| CBI Bank & Trust | 2 | $170.4M |
| Union Federal Savings and Loan Association | 2 | $26.8M |
| Wells Fargo Bank, National Association | 2 | $162.2M |
| Midwest Bank | 2 | $52.7M |
| Old National Bank | 2 | $346.1M |
| Morton Community Bank | 1 | $47.0M |
| Woodforest National Bank | 1 | $1.6M |
| First National Bank | 1 | $23.6M |
| Quad City Bank and Trust Company | 1 | $248.5M |
| JPMorgan Chase Bank, National Association | 1 | $154.9M |
| Peoples National Bank of Kewanee | 1 | $77.6M |