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 Guard New Jersey State Guard The New Jersey State Guard, previously known as the New Jersey State Militia, is the currently inactive state defense force of New Jersey. The State Guard served as the stateside replacement for the New Jersey National Guard during World War I and World War II when the National Guard was deployed abroad. The New Jersey State Guard, along with the New Jersey National Guard and the New Jersey Naval Militia, is recognized as a component of the organized militia of New Jersey. On 22 March 1917, the state of New Jersey authorized a State Militia to