Every FDIC-insured bank branch in Marion County, Indiana as of June 30, 2025. County land area: 396 square miles, 43.7 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| JPMorgan Chase Bank, National Association | 30 | $9.00B |
| Fifth Third Bank, National Association | 18 | $4.25B |
| Regions Bank | 16 | $1.25B |
| PNC Bank, National Association | 16 | $7.80B |
| The Huntington National Bank | 16 | $4.43B |
| BMO Bank National Association | 15 | $3.02B |
| Old National Bank | 11 | $1.35B |
| Bank of America, National Association | 8 | $4.29B |
| The National Bank of Indianapolis | 6 | $2.12B |
| First Financial Bank | 6 | $391.7M |
| KeyBank National Association | 5 | $2.08B |
| Centier Bank | 3 | $273.1M |
| Lake City Bank | 3 | $80.0M |
| Woodforest National Bank | 3 | $5.4M |
| STAR Financial Bank | 3 | $243.0M |
| First Merchants Bank | 3 | $1.24B |
| Stock Yards Bank & Trust Company | 2 | $178.0M |
| CIBM Bank | 1 | $14.3M |
| Greenfield Banking Company | 1 | $63.6M |
| The Bank of New York Mellon Trust Company, National Association | 1 | $0K |
| CFBank, National Association | 1 | $240.4M |
| Union Savings Bank | 1 | $65.2M |
| Horizon Bank | 1 | $410.9M |
| Community First Bank of Indiana | 1 | $4.9M |
| Merchants Bank of Indiana | 1 | $514.3M |
| Citizens Bank | 1 | $28.4M |