Greenwich Township is a township in Warren County, New Jersey, United States. As of the 2010 United States Census, the township’s population was 5,712, reflecting an increase of 1,347 (+30.9%) from the 4,365 counted in the 2000 Census, which had in turn increased by 2,466 (+129.9%) from the 1,899 counted in the 1990 Census. The township is located in the far eastern region of the Lehigh Valley.
Greenwich Township has at various times been a part of most of Northwestern New Jersey’s counties. The township was first mentioned in official documents on October 9, 1738, as a part of Hunterdon County. On March 15, 1739, it became part of the newly formed Morris County. On January 22, 1750, portions of the township were taken to form Hardwick Township. On June 8, 1753, Sussex County was created, and Greenwich Township was shifted again. Portions of the township were taken on May 30, 1754, to form both Mansfield Township and Oxford Township. The township was incorporated by an act of the New Jersey Legislature on February 21, 1798. It found its current home when Warren County was formed on November 20, 1824. On April 8, 1839, portions of the township were taken to create Franklin Township and Harmony Township. On March 7, 1851, Phillipsburg was created from parts of Greenwich, and Pohatcong Township went off on its own as of January 1, 1882. The township was named for Greenwich, England.
According to the United States Census Bureau, the township had a total area of 10.543 square miles (27.305 km2), including 10.530 square miles (27.272 km2) of land and 0.013 square miles (0.033 km2) of water (0.12%).
Greenwich CDP (with a 2010 Census population of 2,755), Stewartsville (with 349 residents in 2010) and Upper Stewartsville (2010 population of 212) are unincorporated communities and census-designated places (CDPs) located within the township.
Other unincorporated communities, localities and place names located partially or completely within the township include Coopersville, Kennedys Mill, Port Warren and Still Valley.
As of the 2010 United States Census, there were 5,712 people, 1,808 households, and 1,546 families residing in the township. The population density was 542.5 per square mile (209.5/km2). There were 1,870 housing units at an average density of 177.6 per square mile (68.6/km2). The racial makeup of the township was 84.42% (4,822) White, 6.36% (363) Black or African American, 0.12% (7) Native American, 6.16% (352) Asian, 0.05% (3) Pacific Islander, 1.09% (62) from other races, and 1.80% (103) from two or more races. Hispanic or Latino of any race were 6.37% (364) of the population.
Source: Wikipedia
