Get to know Greenwich
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The basics
About Greenwich
Township in Warren County, New Jersey, USGreenwich 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 5,473, a decrease of 239 (−4.2%) from the 2010 census count of 5,712, which in turn reflected an increase of 1,347 (+30.9%) from the 4,365 counted in the 2000 census. 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, Sus…
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