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
New Jersey State Police New Jersey State Police The New Jersey State Police (NJSP), is the official state police force of the U.S. state of New Jersey. It is a general-powers police agency with statewide jurisdiction, designated by Troop Sectors. As with other state police organizations, the primary reason for the creation of the New Jersey State Police was for the protection of rural areas that had never had law enforcement, beyond a local sheriff, who was often not able to provide suitable police services. Legislation for its creation was first introduced in 1914, but it would not be until March 29, 1921, with