| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Community Bank, National Association | Bank | 9 | $561.0M | 18.86% |
| 2 | Manufacturers and Traders Trust Company | Bank | 7 | $425.5M | 14.30% |
| 3 | Lake Shore Bank | Bank | 5 | $371.3M | 12.48% |
| 4 | Northwest Bank | Bank | 5 | $327.0M | 10.99% |
| 5 | KeyBank National Association | Bank | 3 | $309.8M | 10.41% |
| 6 | Inner Lakes Federal Credit Union | Credit union | 5 | $148.7M* | 5.00% |
| 7 | NBT Bank, National Association | Bank | 1 | $136.3M | 4.58% |
| 8 | Southern Chautauqua Federal Credit Union | Credit union | 10 | $134.7M* | 4.53% |
| 9 | Western Division Federal Credit Union | Credit union | 1 | $90.9M* | 3.05% |
| 10 | Greater Chautauqua Federal Credit Union | Credit union | 4 | $86.7M* | 2.91% |
| 8 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $2.97B | 18 | 65 | Community Bank, National Association | 18.9% | 1,057 |
| 2024 | $2.79B | 17 | 65 | Community Bank, National Association | 20.1% | 1,161 |
| 2023 | $2.80B | 17 | 64 | Community Bank, National Association | 19.3% | 1,112 |
| 2022 | $2.82B | 17 | 64 | Community Bank, National Association | 19.3% | 1,114 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.