| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | PeoplesBank | Bank | 11 | $2.42B | 15.90% |
| 2 | TD Bank, National Association | Bank | 14 | $2.27B | 14.90% |
| 3 | Westfield Bank | Bank | 20 | $1.91B | 12.57% |
| 4 | Bank of America, National Association | Bank | 8 | $1.57B | 10.33% |
| 5 | Manufacturers and Traders Trust Company | Bank | 14 | $1.06B | 6.97% |
| 6 | KeyBank National Association | Bank | 7 | $1.01B | 6.64% |
| 7 | Citizens Bank, National Association | Bank | 10 | $632.4M | 4.16% |
| 8 | Monson Savings Bank | Bank | 4 | $599.1M | 3.94% |
| 9 | Country Bank for Savings | Bank | 4 | $565.6M | 3.72% |
| 10 | Polish National Credit Union | Credit union | 6 | $449.5M* | 2.95% |
| 19 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 | $15.21B | 29 | 141 | PeoplesBank | 15.9% | 913 |
| 2024 | $15.00B | 28 | 142 | PeoplesBank | 17.8% | 957 |
| 2023 | $14.35B | 27 | 143 | PeoplesBank | 15.8% | 946 |
| 2022 | $15.66B | 26 | 142 | PeoplesBank | 13.1% | 935 |
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.