Andover is a borough in Sussex County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 606, reflecting a decline of 52 (-7.9%) from the 658 counted in the 2000 Census, which had in turn declined by 42 (-6.0%) from the 700 counted in the 1990 Census.
Andover was incorporated as a borough by an Act of the New Jersey Legislature on March 25, 1904, from portions of Andover Township.
|Period||Total Sold||Average Price||Median Price|
|New Jersey||2 out of 5|
|Andover||No rating submitted|