| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Katahdin Trust Company | Bank | 12 | $523.9M | 23.22% |
| 2 | The County Federal Credit Union | Credit union | 6 | $287.8M* | 12.75% |
| 3 | Machias Savings Bank | Bank | 3 | $249.5M | 11.06% |
| 4 | TD Bank, National Association | Bank | 1 | $247.0M | 10.95% |
| 5 | Norstate Federal Credit Union | Credit union | 6 | $244.3M* | 10.83% |
| 6 | Acadia Federal Credit Union | Credit union | 6 | $227.4M* | 10.08% |
| 7 | Aroostook County Federal Savings and Loan Association | Bank | 2 | $176.9M | 7.84% |
| 8 | KeyBank National Association | Bank | 4 | $173.4M | 7.69% |
| 9 | Katahdin Federal Credit Union | Credit union | 1 | $45.2M* | 2.00% |
| 10 | University Credit Union | Credit union | 1 | $44.4M* | 1.97% |
| 1 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 | $2.26B | 11 | 43 | Katahdin Trust Company | 23.2% | 1,294 |
| 2024 | $2.14B | 11 | 46 | Katahdin Trust Company | 22.7% | 1,280 |
| 2023 | $2.26B | 11 | 46 | Katahdin Trust Company | 22.6% | 1,273 |
| 2022 | $2.22B | 11 | 45 | Katahdin Trust Company | 22.8% | 1,272 |
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.