Banks in Suffolk County, Massachusetts
202 active bank branches operated by 35 institutions, per FDIC records.
Active branches
202
Banks present
35
Deposits (2026)
$381.7B
Closings since 2020
83
40 openings
Largest banks by deposits in Suffolk County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| State Street Bank and Trust Company | $242.1B | 63.4% | 1 |
| Bank of America | $62.6B | 16.4% | 26 |
| Citizens Bank | $39.5B | 10.3% | 37 |
| Santander Bank | $13.6B | 3.6% | 20 |
| Eastern Bank | $9.4B | 2.5% | 14 |
| Beacon Bank and Trust | $4.2B | 1.1% | 7 |
| TD Bank | $3.0B | 0.8% | 14 |
| Rockland Trust Company | $2.2B | 0.6% | 20 |
| Chase Bank | $1.4B | 0.4% | 20 |
| East West Bank | $772M | 0.2% | 1 |
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.