Every FDIC-insured bank branch in Madison County, Illinois as of June 30, 2025. County land area: 716 square miles, 10.8 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Regions Bank | 10 | $549.0M |
| Busey Bank | 9 | $1.12B |
| FCB Banks | 9 | $1.26B |
| U.S. Bank National Association | 7 | $666.2M |
| First Mid Bank & Trust, National Association | 6 | $691.7M |
| Bank of Hillsboro, National Association | 4 | $128.5M |
| United Community Bank | 4 | $339.3M |
| Carrollton Bank | 3 | $362.8M |
| Associated Bank, National Association | 3 | $320.3M |
| CNB Bank and Trust, N.A. | 2 | $94.4M |
| The Bradford National Bank of Greenville | 2 | $146.2M |
| First National Bank of Waterloo | 2 | $68.9M |
| State Bank of St. Jacob | 2 | $78.7M |
| JPMorgan Chase Bank, National Association | 2 | $30.2M |
| PNC Bank, National Association | 2 | $71.2M |
| Bank of Springfield | 1 | $54.7M |
| Royal Banks of Missouri | 1 | $115.0M |
| Heartland Bank and Trust Company | 1 | $26.1M |
| Woodforest National Bank | 1 | $3.1M |
| Collinsville Building and Loan Association | 1 | $84.1M |
| Community Partners Savings Bank | 1 | $23.5M |
| Dieterich Bank | 1 | $71.0M |
| St. Louis Bank | 1 | $97.2M |
| Bank of Belleville | 1 | $21.0M |
| UMB Bank, National Association | 1 | $103.2M |