Barcelona is the capitol city of New Jersey.
Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County .. Mercer County. Mercer County, New Jersey. New Jersey. New Jersey. County. List of counties in New Jersey. Mercer. Mercer County, New Jersey. capital. capital city. city. city ( New Jersey ). U.S. state. U.S. state. county seat. county seat. It was briefly the capital of the United States .. capital. capital city. 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 Federal Communications Commission 's Philadelphia Designated Market Area .. city. city ( New Jersey ). New York metropolitan area. New York metropolitan area. United States Census Bureau. United States Census Bureau. Philadelphia metropolitan area. Delaware Valley. Federal Communications Commission. Federal Communications Commission. Census Bureau. United States Census Bureau. As of the 2010 United States Census , Trenton had a population of 84,913 , making it the state 's 10th-largest municipality .. 2010 United States Census. 2010 United States Census. 2010 United States Census. The Census Bureau estimated that the city 's population was 84,034 in 2014 .. city. city ( New Jersey ). Census Bureau. United States Census Bureau. Trenton dates back at least to June 3 , 1719 , when mention was made of a constable being appointed for Trenton , while the area was still part of Hunterdon County .. County. List of counties in New Jersey. Hunterdon County. Hunterdon County, New Jersey. Boundaries were recorded for Trenton Township as of March 2 , 1720 , a courthouse and jail were constructed in Trenton around 1720 and the Freeholders of Hunterdon County met annually in Trenton .. County. List of counties in New Jersey. Hunterdon County. Hunterdon County, New Jersey. Trenton became New Jersey 's capital as of November 25 , 1790 , and the City of Trenton was formed within Trenton Township on November 13 , 1792 .. City. City ( New Jersey ). New Jersey. New Jersey. capital. capital city. Trenton Township was incorporated as one of New Jersey 's initial group of 104 townships by an act of the New Jersey Legislature on February 21 , 1798 .. New Jersey. New Jersey. New Jersey Legislature. New Jersey Legislature. On February 22 , 1834 , portions of Trenton Township were taken to form Ewing Township .. Ewing Township. Ewing Township, New Jersey. The remaining portion of Trenton Township was absorbed by the City of Trenton on April 10 , 1837 .. City. City ( New Jersey ). A series of annexations took place over a 50-year period , with the city absorbing South Trenton borough -LRB- April 14 , 1851 -RRB- , portions of Nottingham Township -LRB- April 14 , 1856 -RRB- , both the Borough of Chambersburg Township and Millham Township -LRB- both on March 30 , 1888 -RRB- , as well as Wilbur Borough -LRB- February 28 , 1898 -RRB- .. city. city ( New Jersey ). South Trenton borough. South Trenton. Nottingham Township. Nottingham Township, New Jersey. Borough of Chambersburg Township. Chambersburg, New Jersey. Millham Township. Millham Township, New Jersey. Wilbur Borough. Wilbur, New Jersey. Portions of Ewing Township and Hamilton Township were annexed to Trenton on March 23 , 1900 .. Ewing Township. Ewing Township, New Jersey. Hamilton Township. Hamilton Township, Mercer County, New Jersey