Banks in Southeastern Connecticut County, Connecticut
72 active bank branches operated by 15 institutions, per FDIC records.
Active branches
72
Banks present
15
Deposits (2026)
$6.7B
Closings since 2020
7
3 openings
Largest banks by deposits in Southeastern Connecticut County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Chelsea Groton Bank | $1.2B | 17.9% | 14 |
| Liberty Bank | $1.0B | 15.5% | 9 |
| Citizens Bank | $845M | 12.6% | 6 |
| Bank of America | $826M | 12.4% | 5 |
| Dime Bank | $795M | 11.9% | 10 |
| M&T Bank | $681M | 10.2% | 7 |
| Beacon Bank and Trust | $509M | 7.6% | 6 |
| Ascend Bank | $183M | 2.7% | 4 |
| Jewett City Savings Bank | $182M | 2.7% | 3 |
| Centreville Bank | $111M | 1.7% | 3 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.