Trenton, New Jersey Trenton, New Jersey Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County. It was briefly the capital of the United States. The city's metropolitan area is grouped with the New York metropolitan area by the United States Census Bureau, but directly borders the Philadelphia metropolitan area and is part of the Philadelphia Combined Statistical Area and the Federal Communications Commission's Philadelphia Designated Market Area. As of the 2010 United States Census, Trenton had a population of 84,913, making it the state's 10th-most-populous municipality. The Census Bureau estimated that the city's
State Theatre (New Brunswick, New Jersey) were repaired, and upgrades were made to the sound and lighting systems. The theatre re-opened in October 2004 with a performance by comedian Jay Leno. In the summer of 2010, the State Theatre installed a new heating, ventilation, and air conditioning system costing $1 million provided by Middlesex County. As of June 2017, over 5.5 million people have come through the doors of the theater. Today, State Theatre New Jersey is a member of the League of Historic American Theatres and continues to flourish as the centerpiece and premier venue for the New Brunswick, New Jersey arts community. State Theatre