Green 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 3,627, an increase of 26 (+0.7%) from the 2010 census count of 3,601, which in turn reflected increase of 381 (+11.8%) from the 3,220 counted in the 2000 census.

Andover is a borough in Sussex County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 595, a decrease of 11 (−1.8%) from the 2010 census count of 606, which in turn reflected a decline of 52 (−7.9%) from the 658 counted in the 2000 census.