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
Law of New Jersey Appellate Division of the Superior Court, and Tax Court, which are published in the "New Jersey Reports", "New Jersey Superior Court Reports", and "New Jersey Tax Reports", respectively. Counties and municipalities may also promulgate local ordinances. The foremost source of state law is the Constitution of New Jersey. The New Jersey Constitution in turn is subordinate to the Constitution of the United States, which is the supreme law of the land. Pursuant to the state constitution, the New Jersey Legislature has enacted legislation. Its session laws are published in the "Acts of the Legislature of the State of New Jersey",