| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Arrow Bank National Association | Bank | 18 | $2.66B | 59.67% |
| 2 | TD Bank, National Association | Bank | 6 | $825.8M | 18.50% |
| 3 | TrustCo Bank | Bank | 6 | $205.8M | 4.61% |
| 4 | Citizens Bank, National Association | Bank | 1 | $146.0M | 3.27% |
| 5 | Tct Federal Credit Union | Credit union | 2 | $130.8M* | 2.93% |
| 6 | NBT Bank, National Association | Bank | 2 | $117.5M | 2.63% |
| 7 | The Adirondack Trust Company | Bank | 3 | $87.5M | 1.96% |
| 8 | Community Bank, National Association | Bank | 2 | $86.6M | 1.94% |
| 9 | KeyBank National Association | Bank | 1 | $82.4M | 1.84% |
| 10 | Great Meadow Federal Credit Union | Credit union | 4 | $66.6M* | 1.49% |
| 3 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 | $4.46B | 13 | 49 | Arrow Bank National Association | 59.7% | 3,964 |
| 2024 | $4.20B | 14 | 51 | Arrow Bank National Association | 55.5% | 3,540 |
| 2023 | $3.88B | 14 | 51 | Arrow Bank National Association | 55.4% | 3,577 |
| 2022 | $3.91B | 14 | 52 | Arrow Bank National Association | 54.9% | 3,523 |
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.