Every FDIC-insured bank branch in Lower Connecticut River Valley Planning Region, Connecticut as of June 30, 2025. County land area: 424 square miles, 10.8 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Liberty Bank | 15 | $2.74B |
| Essex Savings Bank | 7 | $368.7M |
| Citizens Bank, National Association | 7 | $844.9M |
| Webster Bank, National Association | 4 | $435.8M |
| KeyBank National Association | 3 | $179.2M |
| Manufacturers and Traders Trust Company | 3 | $190.1M |
| TD Bank, National Association | 2 | $312.0M |
| Bank of America, National Association | 2 | $475.1M |
| Wells Fargo Bank, National Association | 2 | $175.4M |
| The Guilford Savings Bank | 1 | $100.9M |