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Greenwich Township, Warren County, New Jersey facts for kids

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Greenwich Township, New Jersey
Township
Old Greenwich Presbyterian Church
Old Greenwich Presbyterian Church
Official seal of Greenwich Township, New Jersey
Seal
Location of Greenwich Township in Warren County highlighted in yellow (right). Inset map: Location of Warren County in New Jersey highlighted in black (left).
Location of Greenwich 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 Greenwich Township, Warren County, New Jersey
Census Bureau map of Greenwich Township, Warren County, New Jersey
Greenwich Township, New Jersey is located in Warren County, New Jersey
Greenwich Township, New Jersey
Greenwich Township, New Jersey
Location in Warren County, New Jersey
Greenwich Township, New Jersey is located in New Jersey
Greenwich Township, New Jersey
Greenwich Township, New Jersey
Location in New Jersey
Greenwich Township, New Jersey is located in the United States
Greenwich Township, New Jersey
Greenwich Township, New Jersey
Location in the United States
Country  United States
State  New Jersey
County Warren
First mention October 9, 1738
Incorporated February 21, 1798
Named for Greenwich, England
Government
 • Type Township
 • Body Township Committee
Area
 • Total 10.60 sq mi (27.45 km2)
 • Land 10.58 sq mi (27.40 km2)
 • Water 0.02 sq mi (0.04 km2)  0.15%
Area rank 205th of 565 in state
15th of 22 in county
Elevation
325 ft (99 m)
Population
 (2020)
 • Total 5,473
 • Estimate 
(2023)
5,503
 • Rank 364th of 565 in state
8th of 22 in county
 • Density 517.2/sq mi (199.7/km2)
 • Density rank 442nd of 565 in state
7th of 22 in county
Time zone UTC−05:00 (Eastern (EST))
 • Summer (DST) UTC−04:00 (Eastern (EDT))
ZIP Code
Area code(s) 908 exchanges: 213, 387, 454, 859
FIPS code 3404128260
GNIS feature ID 0882253
School district Phillipsburg School District
Website

Greenwich Township is a community located in Warren County, New Jersey. It's a type of local government called a township. In 2020, about 5,473 people lived here.

Greenwich Township has been part of many different counties in New Jersey over time. It was first mentioned in 1738 as part of Hunterdon County. Later, it became part of Morris County and then Sussex County. In 1798, it officially became its own township. Finally, in 1824, it became part of Warren County, where it is today. The township was named after Greenwich, England.

Geography and Local Areas

Greenwich Township covers about 10.60 square miles (27.45 square kilometers). Most of this area is land, with a small amount of water.

Several smaller communities are located within Greenwich Township. These include Greenwich CDP, Stewartsville, and Upper Stewartsville. Other local areas you might hear about are Coopersville, Kennedy Mills, Port Warren, and Still Valley.

Greenwich Township shares its borders with other towns. These include Franklin Township, Lopatcong Township, and Pohatcong Township in Warren County. It also borders Bloomsbury in Hunterdon County.

Population and People

Historical population
Census Pop.
1810 2,528
1820 2,335 −7.6%
1830 4,486 92.1%
1840 2,902 * −35.3%
1850 3,726 28.4%
1860 2,541 * −31.8%
1870 2,587 1.8%
1880 2,554 −1.3%
1890 825 * −67.7%
1900 909 10.2%
1910 904 −0.6%
1920 1,050 16.2%
1930 1,141 8.7%
1940 1,125 −1.4%
1950 1,217 8.2%
1960 1,397 14.8%
1970 1,482 6.1%
1980 1,738 17.3%
1990 1,899 9.3%
2000 4,365 129.9%
2010 5,712 30.9%
2020 5,473 −4.2%
2023 (est.) 5,503 −3.7%
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 United States census helps us count how many people live in an area. In 2020, Greenwich Township had 5,473 residents. This was a small decrease from 2010, when the population was 5,712. However, the population grew a lot between 2000 and 2010.

The census also tells us about the people living in Greenwich Township. In 2010, about 84% of residents were White, 6% were Black or African American, and 6% were Asian. About 6% of the population identified as Hispanic or Latino. Many households had children under 18, and most families were married couples living together. The average age of residents was about 38 years old.

Education in Greenwich Township

Students in Greenwich Township attend public schools for different grade levels.

Greenwich Township School District

Younger students, from pre-kindergarten through eighth grade, go to schools in the Greenwich Township School District. This district has two schools. Greenwich Elementary School serves students from pre-kindergarten to 5th grade. Stewartsville Middle School is for students in grades 6 through 8.

Phillipsburg High School

For high school, students in ninth through twelfth grades attend Phillipsburg High School. This school is located in Phillipsburg. It serves students from Phillipsburg and several other nearby communities, including Greenwich Township.

Other School Options

Students from Greenwich Township can also choose to attend other schools. These include Ridge and Valley Charter School in Frelinghuysen Township for grades K-8. There is also Warren County Technical School in Washington borough for grades 9-12. Special education services are also available through the Warren County Special Services School District.

Transportation and Roads

Getting around Greenwich Township is easy thanks to its network of roads.

2021-06-17 15 12 24 View west along Interstate 78 and U.S. Route 22 (Phillipsburg-Newark Expressway) from the overpass for New Village Road in Greenwich Township, Warren County, New Jersey
Interstate 78 and U.S. Route 22 westbound in Greenwich Township

The township has about 49 miles of roadways. Most of these are maintained by the township itself. Major roads like Interstate 78 and U.S. Route 22 pass through or along the township's borders. Other important roads include Route 57 and Route 173.

County roads like County Road 519 and County Road 579 also help people travel through the area. A railway line, the Lehigh Line, also runs through the southern part of Greenwich Township.

Notable People

Greenwich Township has been home to several interesting people.

William Maxwell gravestone, Greenwich Cemetery, NJ
Gravestone of General William Maxwell at the Old Greenwich Presbyterian Church Cemetery
  • Orange Cassidy (born 1984), a well-known professional wrestler.
  • Justin Gaymon (born 1986), a former athlete who competed in the 400-meter hurdles.
  • Henry Green (1828–1900), who became the Chief Justice of the Supreme Court of Pennsylvania.
  • William Maxwell (1733–1796), a brigadier general in the Continental Army during the American Revolutionary War.
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