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Mansfield Township, Warren County, New Jersey facts for kids

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Mansfield Township, New Jersey
Township
Looking east along Route 57 in Mansfield Township
Looking east along Route 57 in Mansfield Township
Official seal of Mansfield Township, New Jersey
Seal
Location of Mansfield Township in Warren County highlighted in yellow (right). Inset map: Location of Warren County in New Jersey highlighted in black (left).
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
Census Bureau map of Mansfield Township, Warren County, New Jersey
Mansfield Township, New Jersey is located in Warren County, New Jersey
Mansfield Township, New Jersey
Mansfield Township, New Jersey
Location in Warren County, New Jersey
Mansfield Township, New Jersey is located in New Jersey
Mansfield Township, New Jersey
Mansfield Township, New Jersey
Location in New Jersey
Mansfield Township, New Jersey is located in the United States
Mansfield Township, New Jersey
Mansfield Township, New Jersey
Location in the United States
Country  United States
State  New Jersey
County Warren
Formed May 30, 1754, as Mansfield-Woodhouse Township
Incorporated February 21, 1798
Named for William Murray, 1st Earl of Mansfield
Government
 • Type Township
 • Body Township Committee
Area
 • Total 29.69 sq mi (76.90 km2)
 • Land 29.59 sq mi (76.63 km2)
 • Water 0.11 sq mi (0.27 km2)  0.35%
Area rank 90th of 565 in state
3rd of 22 in county
Elevation
820 ft (250 m)
Population
 (2020)
 • Total 7,781
 • Estimate 
(2023)
7,876
 • Rank 299th of 565 in state
4th of 22 in county
 • Density 263.0/sq mi (101.5/km2)
 • Density rank 488th of 565 in state
12th of 22 in county
Time zone UTC−05:00 (Eastern (EST))
 • Summer (DST) UTC−04:00 (Eastern (EDT))
ZIP Code
07865 – Port Murray
Area code(s) 908
FIPS code 3404143320
GNIS feature ID 0882249
Website

Mansfield Township is a community located in Warren County, New Jersey. It's a type of local government called a township. In 2020, about 7,781 people lived here. This was the highest number of people ever counted in the township!

History of Mansfield Township

Mansfield Township was first created on May 30, 1754. Back then, it was called Mansfield-Woodhouse Township. It was part of Sussex County at the time.

Later, on February 21, 1798, it officially became Mansfield Township. This happened when New Jersey created many new townships. In 1824, Mansfield Township became part of the new Warren County. The township was named after William Murray, 1st Earl of Mansfield.

Geography and Local Areas

Mansfield Township covers about 29.69 square miles (76.90 square kilometers). Most of this area is land.

Communities within the Township

Several smaller communities are located inside Mansfield Township:

Other small places and names you might hear in the township include Karrsville, Mount Bethel, Penwell, Rockport, and Stephensburg.

Neighboring Towns

Mansfield Township shares its borders with several other towns. These include:

Population Changes Over Time

Historical population
Census Pop.
1810 2,058
1820 2,787 35.4%
1830 3,310 18.8%
1840 3,057 * −7.6%
1850 1,615 * −47.2%
1860 1,688 4.5%
1870 1,997 18.3%
1880 1,709 −14.4%
1890 1,362 −20.3%
1900 1,324 −2.8%
1910 1,238 −6.5%
1920 1,133 −8.5%
1930 1,139 0.5%
1940 1,254 10.1%
1950 1,497 19.4%
1960 2,130 42.3%
1970 3,546 66.5%
1980 5,780 63.0%
1990 7,154 23.8%
2000 6,653 −7.0%
2010 7,725 16.1%
2020 7,781 0.7%
2023 (est.) 7,876 2.0%
Population sources:
1810–1920 1840 1850–1870
1850 1870 1880–1890
1890–1910 1910–1930
1940–2000 2000
2010 2020
* = Lost territory in previous decade

The number of people living in Mansfield Township has changed a lot over the years. In 1810, there were just over 2,000 residents. The population grew steadily for many years.

By 2010, the population was 7,725. This number increased slightly to 7,781 by 2020. This shows that more people are choosing to live in Mansfield Township.

Education for Students

Students in Mansfield Township attend public schools. Younger students go to schools within the Mansfield Township School District. Older students attend schools in the Warren Hills Regional School District.

Elementary School

Students from pre-kindergarten through sixth grade go to Mansfield Township Elementary School. In the 2018–19 school year, there were about 607 students. This means there were about 10 or 11 students for every teacher.

Middle and High Schools

Students in seventh through twelfth grades attend schools in the Warren Hills Regional School District. This district also serves students from nearby towns.

  • Warren Hills Regional Middle School is for grades 7 and 8.
  • Warren Hills Regional High School is for grades 9 through 12.

Mansfield Township has three spots on the school board for the high school district. This helps make sure the township's students are well represented.

Other School Options

Students in Warren County, including Mansfield Township, have other school choices. They can attend Ridge and Valley Charter School for grades K–8. They can also go to Warren County Technical School for grades 9–12. This school teaches special skills and trades.

Transportation Options

Mansfield Township has a good network of roads. There are also options for public transportation.

Roads and Highways

As of 2010, the township had over 72 miles of roads. Most of these roads are maintained by the township itself.

  • Route 31 briefly passes through the western part of the township.
  • Route 57 runs for about 7.9 miles through the southern part.

While there are no major highways directly in Mansfield Township, you can reach them nearby. Interstate 78 and Interstate 80 are just two towns away.

Public Transport and Air Travel

A small airport called Hackettstown Airport is located in Mansfield Township. It's used for general aviation, like small planes.

Train service is available in nearby Hackettstown through NJ Transit. There's also a freight train line, the Norfolk Southern's Washington Secondary. This line passes by the location of the Rockport Wreck. This was a train accident that happened in 1925.

Notable People from Mansfield Township

Some interesting people have connections to Mansfield Township.

  • John Eugene Kunzler (1923–2006): He was a scientist and physicist. He did important early research on superconducting magnets.
  • Michael Weiner (1961–2013): He was a lawyer who led the Major League Baseball Players Association.
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