The region comprises nine states: the New England states of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont; and the Mid-Atlantic states of New Jersey, New York and Pennsylvania.
The region accounts for approximately 25% of U.S. gross domestic product as of 2007. As of the 2010 Census, the population of the region totalled 55,317,240.
The main cities are:
- New York, the most populated city of the United States
- Philadelphia, the second most populated city in the Northeast and the fifth most populated city in the United States
- Boston, the most populated city in New England and the third most populated in the Northeast