Every FDIC-insured bank branch in Southeastern Connecticut Planning Region, Connecticut as of June 30, 2025. County land area: 598 square miles, 11.9 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Chelsea Groton Bank | 14 | $1.18B |
| Dime Bank | 10 | $776.9M |
| Liberty Bank | 9 | $969.4M |
| Manufacturers and Traders Trust Company | 7 | $700.6M |
| Berkshire Bank | 6 | $461.3M |
| Citizens Bank, National Association | 6 | $810.3M |
| Bank of America, National Association | 5 | $840.4M |
| Eastern Connecticut Savings Bank | 4 | $183.4M |
| Centreville Bank | 3 | $112.4M |
| Jewett City Savings Bank | 3 | $168.8M |
| KeyBank National Association | 1 | $97.8M |
| TD Bank, National Association | 1 | $112.6M |
| The Washington Trust Company, of Westerly | 1 | $101.1M |
| JPMorgan Chase Bank, National Association | 1 | $14.1M |