Every FDIC-insured bank branch in Onondaga County, New York as of June 30, 2025. County land area: 778 square miles, 13.6 branches per 100 sq mi.
| Institution | Branches | Deposits |
|---|---|---|
| Manufacturers and Traders Trust Company | 26 | $3.47B |
| KeyBank National Association | 19 | $2.18B |
| JPMorgan Chase Bank, National Association | 10 | $1.62B |
| NBT Bank, National Association | 10 | $770.3M |
| Solvay Bank | 9 | $1.06B |
| Bank of America, National Association | 7 | $1.22B |
| Community Bank, National Association | 6 | $529.9M |
| Pathfinder Bank | 5 | $468.0M |
| Seneca Savings | 4 | $202.8M |
| Citizens Bank, National Association | 4 | $362.6M |
| Fulton Savings Bank | 2 | $61.9M |
| Tompkins Community Bank | 2 | $76.4M |
| Geddes Federal Savings and Loan Association | 1 | $477.4M |
| The Lyons National Bank | 1 | $51.3M |