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Mercer County, New Jersey

Mercer County, New Jersey
New Jersey State House.jpg
The New Jersey State House and its golden dome at Trenton in 2006.
Seal of Mercer County, New Jersey
Seal
Nickname(s): The Capital County
Map of New Jersey highlighting Mercer County
Location in the U.S. state of New Jersey
Map of the United States highlighting New Jersey
New Jersey's location in the U.S.
Founded 1838
Named for Continental Army General Hugh Mercer
Seat Trenton
Largest city Hamilton Township (population)
Hopewell Township (area)
Area
 • Total 228.89 sq mi (593 km2)
 • Land 224.56 sq mi (582 km2)
 • Water 4.33 sq mi (11 km2), 1.89%
Population
 • (2010) 366,513
371,398 (2015 est.)
 • Density 1,623/sq mi (626.5/km²)
Congressional districts 4th, 12th
Website www.mercercounty.org

Mercer County is a county located in the U.S. state of New Jersey. Its county seat is Trenton, the state capital. The county constitutes the Trenton-Ewing, NJ Metropolitan Statistical Area and is considered part of the New York Metropolitan Area by the United States Census Bureau, but also directly borders the Philadelphia metropolitan area and is included within the Federal Communications Commission's Philadelphia Designated Market Area. As of 2015, Mercer County's Census-estimated population was 371,398, an increase of 1.3% from the 2010 United States Census, when its population was enumerated at 366,513, in turn an increase of 15,752 (4.5%) from the 350,761 enumerated in the 2000 Census, retaining its position as the 12th-most populous county in the state. Mercer County stands among the highest-income counties in the United States, with the Bureau of Economic Analysis having ranked the county as having the 78th-highest per capita income of all 3,113 counties in the United States (and the sixth-highest in New Jersey) as of 2009.

The county was formed by an act of the New Jersey Legislature on February 22, 1838, from portions of Burlington County (including Nottingham Township), Hunterdon County (including Ewing Township, Lawrence Township, Trenton City and portions of Hopewell Township), and Middlesex County (including West Windsor Township and portions of East Windsor Township). The old Keith Line bisects the county and is the boundary between municipalities that previously had been separated into West Jersey and East Jersey. It was named for Continental Army General Hugh Mercer, who died as a result of wounds received at the Battle of Princeton on January 3, 1777. The Mercer Oak, against which the dying general rested as his men continued to fight, appears on the county seal and stood for 250 years until it collapsed in 2000.


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Wikipedia

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