Banks in St. Lawrence County, New York
27 active bank branches operated by 9 institutions, per FDIC records.
Active branches
27
Banks present
9
Deposits (2026)
$1.8B
Closings since 2020
7
0 openings
Largest banks by deposits in St. Lawrence County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Community Bank | $796M | 44.7% | 8 |
| The North Country Savings Bank | $284M | 16% | 4 |
| NBT Bank | $237M | 13.3% | 4 |
| KeyBank | $212M | 11.9% | 4 |
| Massena Savings and Loan | $148M | 8.3% | 2 |
| Gouverneur Savings and Loan Association | $68M | 3.8% | 1 |
| The Citizens National Bank of Hammond | $22M | 1.2% | 2 |
| The Upstate National Bank | $12M | 0.7% | 1 |
| GS&L Municipal Bank | $71K | 0% | 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.