Every FDIC-insured bank branch in Erie County, New York as of June 30, 2025. County land area: 1,043 square miles, 19.1 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Manufacturers and Traders Trust Company | 45 | $36.60B |
| KeyBank National Association | 42 | $6.08B |
| Citizens Bank, National Association | 20 | $2.20B |
| Northwest Bank | 16 | $1.86B |
| Bank of America, National Association | 15 | $2.72B |
| NBT Bank, National Association | 13 | $1.61B |
| CNB Bank | 11 | $875.6M |
| JPMorgan Chase Bank, National Association | 8 | $264.4M |
| Lake Shore Savings Bank | 6 | $259.6M |
| Five Star Bank | 6 | $382.5M |
| Community Bank, National Association | 5 | $254.2M |
| Bank of Holland | 3 | $224.0M |
| Alden State Bank | 3 | $373.7M |
| Cattaraugus County Bank | 1 | $49.6M |
| Woodforest National Bank | 1 | $7.5M |
| HSBC Bank USA, National Association | 1 | $3.58B |
| Chemung Canal Trust Company | 1 | $36.9M |
| Tompkins Community Bank | 1 | $81.7M |
| NEXTIER BANK, NATIONAL ASSOCIATION | 1 | $18.1M |