Maine bank rankings, Q2 2026
22 FDIC-insured banks are headquartered in Maine, holding $49.00B in combined assets as of Q2 2026. The median bank has $1.63B in assets, earns a 0.94% return on assets, and runs a 69.58% efficiency ratio.
Highest return on assets among community banks
- Skowhegan Savings Bank Skowhegan 1.58%
- Bar Harbor Bank & Trust Bar Harbor 1.42%
- Partners Bank of New England Sanford 1.41%
- Kennebec Savings Bank Augusta 1.37%
- The Camden National Bank Camden 1.35%
- Norway Savings Bank Norway 1.28%
- First National Bank Damariscotta 1.22%
- Maine Community Bank Portland 1.17%
- Machias Savings Bank Machias 0.99%
- Franklin Savings Bank Farmington 0.99%
Most efficient community banks (lowest efficiency ratio)
- First National Bank Damariscotta 51.24%
- The Camden National Bank Camden 52.35%
- Bar Harbor Bank & Trust Bar Harbor 54.98%
- Maine Community Bank Portland 62.61%
- Bath Savings Institution Bath 66.31%
- Machias Savings Bank Machias 66.99%
- Norway Savings Bank Norway 67.44%
- Katahdin Trust Company Patten 68.38%
- Kennebunk Savings Bank Kennebunk 68.64%
- Franklin Savings Bank Farmington 69.01%
Top-ten lists include FDIC-designated community banks with at least $100M in assets; trust companies and specialty subsidiaries appear in the full table only.
Every Maine bank
| Bank | Assets | ROA | Efficiency | NIM |
|---|---|---|---|---|
| Bangor Savings Bank Bangor | $7.74B | 0.37% | 83.03% | 2.98% |
| The Camden National Bank Camden | $6.94B | 1.35% | 52.35% | 3.37% |
| Northeast Bank Portland | $5.23B | 2.53% | 35.71% | 5.01% |
| Bar Harbor Bank & Trust Bar Harbor | $4.73B | 1.42% | 54.98% | 3.66% |
| First National Bank Damariscotta | $3.18B | 1.22% | 51.24% | 2.82% |
| Maine Community Bank Portland | $2.98B | 1.17% | 62.61% | 3.63% |
| Machias Savings Bank Machias | $2.67B | 0.99% | 66.99% | 3.64% |
| Kennebunk Savings Bank Kennebunk | $2.17B | 0.88% | 68.64% | 3.64% |
| Norway Savings Bank Norway | $2.16B | 1.28% | 67.44% | 3.72% |
| Kennebec Savings Bank Augusta | $1.87B | 1.37% | 71.40% | 3.05% |
| Androscoggin Savings Bank Lewiston | $1.76B | 0.67% | 73.92% | 3.06% |
| Bath Savings Institution Bath | $1.50B | 0.74% | 66.31% | 3.09% |
| Saco & Biddeford Savings Institution Saco | $1.47B | 0.24% | 90.27% | 2.39% |
| Katahdin Trust Company Patten | $1.16B | 0.90% | 68.38% | 3.94% |
| Partners Bank of New England Sanford | $1.09B | 1.41% | 75.22% | 3.42% |
| Skowhegan Savings Bank Skowhegan | $855M | 1.58% | 73.91% | 3.93% |
| Franklin Savings Bank Farmington | $787M | 0.99% | 69.01% | 4.42% |
| Aroostook County Federal Savings and Loan Association Caribou | $214M | 0.85% | 70.14% | 3.25% |
| First Federal Savings and Loan Association of Bath Bath | $189M | 0.49% | 84.62% | 4.04% |
| Auburn Savings Bank, FSB Auburn | $103M | 0.18% | 92.95% | 3.03% |
| Bar Harbor Savings and Loan Association Bar Harbor | $103M | 0.32% | 84.17% | 2.08% |
| Rockland Savings Bank, FSB Rockland | $91M | 0.34% | 87.88% | 3.80% |
Method
Banks are FDIC-insured institutions headquartered in Maine with a call report for the quarter ending 06/30/2026. Return on assets and net interest margin are annualized year to date; the efficiency ratio is noninterest expense over revenue, so lower is better. Credit unions are NCUA-insured and not included. Click any bank for its comparison with same-size peers, or look up a bank in another state.