Trenton is the capital of the U.S. state of New Jersey and the county seat of Mercer County. As of the 2010 United States Census, Trenton had a population of 84,913, making it the state's 10th-largest municipality after having been the state's ninth-largest municipality in 2000. The population declined by 490 (-0.6%) from the 85,403 counted in the 2000 Census, which had in turn declined by 3,272 (-3.7%) from the 88,675 counted in the 1990 Census. The city is part of both the Delaware Valley and the Greater New York City Combined Statistical Area. 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. 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.
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