Banks in Niagara County, New York
30 active bank branches operated by 8 institutions, per FDIC records.
Active branches
30
Banks present
8
Deposits (2026)
$3.7B
Closings since 2020
6
1 openings
Largest banks by deposits in Niagara County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| KeyBank | $1.5B | 40.1% | 12 |
| M&T Bank | $754M | 20.4% | 4 |
| Northwest Bank | $675M | 18.2% | 5 |
| Bank of America | $308M | 8.3% | 1 |
| Citizens Bank | $236M | 6.4% | 3 |
| CNB Bank | $170M | 4.6% | 3 |
| NBT Bank | $69M | 1.9% | 1 |
| Woodforest National Bank | $4M | 0.1% | 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.