It is bordered on the north and east by the state of New York; on the east, southeast, and south by the Atlantic Ocean; on the west by the Delaware River and Pennsylvania; and on the southwest by Delaware Bay and the state of Delaware. New Jersey is the fourth-smallest state by area but the 11th-most populous, with 8,882,190 residents as of 2019 and an area of 8,722.58 square miles, making it the most densely populated of the 50 U.S. states. The capital is Trenton, while the largest city is Newark. All but one county in New Jersey lie within the combined statistical areas of New York City or Philadelphia; consequently, the state's largest metropolitan area falls within Greater New York.

• Population: 9,288,994
• Area: 8,723 sq mi
• Capital: Trenton
• Largest City: Newark
• Date of Admisson: Dec 18, 1787
• Number of Representatives: 12
• Number of Counties: 21

List of counties: