About This Place
Andover is a Borough in Sussex County, New Jersey, United States. As of the 2010 United States Census, the borough population was 606.
Andover was incorporated as a borough by an Act of the New Jersey Legislature on March 25, 1904, from portions of Andover Township.
Andover is located at 40°59′10″N 74°44′31″W / 40.985997°N 74.742015°W / 40.985997; -74.742015 (40.985997, -74.742015).