| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Arrow Bank National Association | Bank | 18 | $2.45B | 55.35% |
| 2 | TD Bank, National Association | Bank | 5 | $750.5M | 16.98% |
| 3 | TrustCo Bank | Bank | 6 | $219.3M | 4.96% |
| 4 | Citizens Bank, National Association | Bank | 1 | $164.7M | 3.73% |
| 5 | Tct Federal Credit Union | Credit union | 2 | $133.7M* | 3.02% |
| 6 | Hudson River Community Federal Credit Union | Credit union | 2 | $122.0M* | 2.76% |
| 7 | NBT Bank, National Association | Bank | 2 | $115.7M | 2.62% |
| 8 | The Adirondack Trust Company | Bank | 3 | $95.4M | 2.16% |
| 9 | KeyBank National Association | Bank | 1 | $84.1M | 1.90% |
| 10 | Community Bank, National Association | Bank | 2 | $83.9M | 1.90% |
| 5 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 |
|---|---|---|---|---|---|---|
| 2026 | $4.42B | 15 | 51 | Arrow Bank National Association | 55.4% | 3,432 |
| 2025 | $4.55B | 14 | 50 | Arrow Bank National Association | 58.6% | 3,821 |
| 2024 | $4.32B | 15 | 53 | Arrow Bank National Association | 54.0% | 3,351 |
| 2023 | $4.00B | 15 | 53 | Arrow Bank National Association | 53.8% | 3,379 |
| 2022 | $4.02B | 15 | 54 | Arrow Bank National Association | 53.4% | 3,336 |
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.