| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bangor Savings Bank | Bank | 12 | $2.23B | 34.23% |
| 2 | TD Bank, National Association | Bank | 3 | $588.0M | 9.01% |
| 3 | Machias Savings Bank | Bank | 3 | $553.4M | 8.48% |
| 4 | The Camden National Bank | Bank | 6 | $477.1M | 7.31% |
| 5 | Maine Savings Federal Credit Union | Credit union | 7 | $445.6M* | 6.82% |
| 6 | Katahdin Trust Company | Bank | 4 | $388.4M | 5.95% |
| 7 | Bar Harbor Bank & Trust | Bank | 6 | $238.5M | 3.65% |
| 8 | KeyBank National Association | Bank | 4 | $223.7M | 3.43% |
| 9 | Bangor Federal Credit Union | Credit union | 3 | $200.4M* | 3.07% |
| 10 | The County Federal Credit Union | Credit union | 3 | $156.4M* | 2.40% |
| 13 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 | $6.53B | 23 | 73 | Bangor Savings Bank | 34.2% | 1,523 |
| 2025 | $6.68B | 23 | 74 | Bangor Savings Bank | 39.4% | 1,843 |
| 2024 | $5.81B | 24 | 75 | Bangor Savings Bank | 34.9% | 1,545 |
| 2023 | $6.10B | 24 | 75 | Bangor Savings Bank | 35.0% | 1,538 |
| 2022 | $5.90B | 24 | 75 | Bangor Savings Bank | 33.3% | 1,441 |
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.