Andover Township is a township in Sussex County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 5,996, a decrease of 323 from the 2010 census count of 6,319, which in turn reflected an increase of 286 from the 6,033 counted in the 2000 census.
Elevation: 600 ft (200 m)
Country: United States
State: New Jersey
County: Sussex
Incorporated: April 11, 1864
Named for: Andover, Hampshire, England
ZIP Code: 07860 – Newton (as Andover Township does not have its own ZIP code)
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