Banks in Erie County, New York
202 active bank branches operated by 20 institutions, per FDIC records.
Active branches
202
Banks present
20
Deposits (2026)
$63.3B
Closings since 2020
46
25 openings
Largest banks by deposits in Erie County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| M&T Bank | $41.9B | 66.2% | 44 |
| KeyBank | $6.2B | 9.8% | 42 |
| HSBC Bank USA | $3.4B | 5.4% | 1 |
| Bank of America | $2.7B | 4.3% | 15 |
| Citizens Bank | $2.3B | 3.7% | 20 |
| Northwest Bank | $2.0B | 3.1% | 16 |
| NBT Bank | $1.6B | 2.5% | 13 |
| CNB Bank | $840M | 1.3% | 12 |
| Five Star Bank | $404M | 0.6% | 6 |
| Alden State Bank | $391M | 0.6% | 3 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
- Buffalo (61)
- Amherst (18)
- Williamsville (17)
- Hamburg (13)
- Depew (13)
- West Seneca (10)
- Orchard Park (10)
- Tonawanda (8)
- East Amherst (7)
- East Aurora (6)
- Cheektowaga (5)
- Kenmore (4)
- Grand Island (4)
- Lancaster (4)
- Clarence (3)
- Springville (3)
- Snyder (2)
- Lackawanna (2)
- Angola (2)
- Akron (2)
- North Collins (1)
- Getzville (1)
- Blasdell (1)
- Eden (1)
- Boston (1)
- Elma (1)
- Alden (1)
- Holland (1)
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.