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 Jersey turnpike to a California freeway, and changing the police from New Jersey State Troopers to officers of the California Highway Patrol. Bruce Springsteen's album Nebraska (1982) contains the dark song "State Trooper" in which a traveller on the New Jersey Turnpike, a desperate man who has committed unknown crimes, hopes that he won't be pulled over by a State Trooper. This song was used in The Sopranos. <poem> New Jersey Turnpike ridin' on a wet night 'neath the refinery's glow, out where the great black rivers flow License, registration, I ain't got none but I got a clear conscience