Mansfield Township, Warren County, New Jersey

Mansfield Township, New Jersey
Looking east along Route 57 in Mansfield Township
Location of Mansfield Township in Warren County highlighted in yellow (right). Inset map: Location of Warren County in New Jersey highlighted in black (left).
Census Bureau map of Mansfield Township, Warren County, New Jersey
Mansfield Township
Location in Warren County
Mansfield Township
Location in New Jersey
Mansfield Township
Location in the United States
Coordinates: 40°48′30″N 74°54′37″W / 40.808461°N 74.910234°W / 40.808461; -74.910234
Country United States
State New Jersey
County Warren
FormedMay 30, 1754, as Mansfield-Woodhouse Township
IncorporatedFebruary 21, 1798
Named afterWilliam Murray, 1st Earl of Mansfield
Government
  TypeTownship
  BodyTownship Committee
  MayorJoseph Watters (R, term ends December 31, 2023)
  Municipal clerkMonica Orlando (acting)
Area
  Total
29.69 sq mi (76.90 km2)
  Land29.59 sq mi (76.63 km2)
  Water0.11 sq mi (0.27 km2)  0.35%
  Rank90th of 565 in state
3rd of 22 in county
Elevation
820 ft (250 m)
Population
 (2020)
  Total
7,781
  Estimate 
(2023)
7,876
  Rank299th of 565 in state
4th of 22 in county
  Density263.0/sq mi (101.5/km2)
   Rank488th of 565 in state
12th of 22 in county
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (Eastern (EDT))
ZIP Code
07865 – Port Murray
Area code908
FIPS code3404143320
GNIS feature ID0882249
Websitemansfieldtownship-nj.gov

Mansfield Township is a township in Warren County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 7,781, its highest decennial census count ever, and an increase of 56 (+0.7%) from the 2010 census count of 7,725, which in turn reflected an increase of 1,072 (+16.1%) from the 6,653 counted in the 2000 census.

What is now Mansfield Township was formed on May 30, 1754, as Mansfield-Woodhouse Township from portions of Greenwich Township, while the area was still part of Sussex County, and was incorporated as Mansfield Township on February 21, 1798, as one of New Jersey's initial group of 104 townships by an act of the New Jersey Legislature. The township became part of the newly formed Warren County on November 20, 1824. Portions of the township were taken to form Franklin Township (April 8, 1839) and Washington Township (April 9, 1849). The township was named after William Murray, 1st Earl of Mansfield.