Andover, New Jersey

Andover, New Jersey
Grist Mill Stone House, built 1760
Map of Andover Borough in Sussex County. Inset: Location of Sussex County in New Jersey.
Census Bureau map of Andover, New Jersey.
Andover
Location in Sussex County
Andover
Location in New Jersey
Andover
Location in the United States
Coordinates: 40°59′09″N 74°44′37″W / 40.985743°N 74.743701°W / 40.985743; -74.743701
Country United States
State New Jersey
County Sussex
IncorporatedMarch 25, 1904
Named afterAndover, Hampshire, England
Government
  TypeBorough
  BodyBorough Council
  MayorJohn A. Morgan (R, term ends December 31, 2027)
  Municipal clerkBeth Brothman
Area
  Total
1.36 sq mi (3.53 km2)
  Land1.35 sq mi (3.49 km2)
  Water0.02 sq mi (0.04 km2)  1.18%
  Rank464th of 565 in state
21st of 24 in county
Elevation
646 ft (197 m)
Population
 (2020)
  Total
595
  Estimate 
(2023)
603
  Rank549th of 565 in state
23rd of 24 in county
  Density441.4/sq mi (170.4/km2)
   Rank449th of 565 in state
10th of 24 in county
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (Eastern (EDT))
ZIP Code
07821
Area codes973 exchange: 786
FIPS code3403701330
GNIS feature ID885140
Websitewww.andoverboroughnj.org

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.

Andover was incorporated as a borough by an act of the New Jersey Legislature on March 25, 1904, from portions of Andover Township. The borough was named for Andover Township, which was in turn named for Andover, Hampshire, England.