Where did most people live in new jersey?

The majority of New Jersey's population lives in the northern part of the state, concentrated in the New York City metropolitan area. As of the 2010 U.S. Census, 70.7% of New Jersey's population resided in the twelve most northerly counties (Bergen, Essex, Hudson, Hunterdon, Mercer, Middlesex, Monmouth, Morris, Passaic, Somerset, Sussex, and Union), all of which are part of the New York metropolitan area.

Specifically, the most densely populated areas in New Jersey are concentrated in the following regions:

* The Newark metropolitan area, which includes Newark, Jersey City, and surrounding cities, has a population of approximately 2 million people.

* The New York City metropolitan area, which includes parts of Bergen, Hudson, and Passaic counties in New Jersey, has a population of over 23 million people.

* The Philadelphia metropolitan area, which includes parts of Camden and Gloucester counties in New Jersey, has a population of approximately 6 million people.

In contrast, the southern part of New Jersey is less densely populated and includes more rural and suburban areas.