Pennington, New Jersey

Pennington, New Jersey
Intersection of Main Street and Delaware Avenue in central Pennington
Location of Pennington in Mercer County highlighted in red (right). Inset map: Location of Mercer County in New Jersey highlighted in orange (left).
Census Bureau map of Pennington, New Jersey
Pennington
Location in Mercer County
Pennington
Location in New Jersey
Pennington
Location in the United States
Coordinates: 40°19′30″N 74°47′20″W / 40.324923°N 74.78878°W / 40.324923; -74.78878
Country United States
State New Jersey
CountyMercer
IncorporatedJanuary 31, 1890
Government
  TypeBorough
  BodyBorough Council
  MayorJames Davy (D, term ends December 31, 2023)
  AdministratorDonato Nieman (interim)
  Municipal clerkElizabeth Sterling
Area
  Total
0.96 sq mi (2.50 km2)
  Land0.96 sq mi (2.49 km2)
  Water0.00 sq mi (0.01 km2)  0.31%
  Rank506th of 565 in state
11th of 12 in county
Elevation
210 ft (60 m)
Population
 (2020)
  Total
2,802
  Estimate 
(2023)
2,840
  Rank454th of 565 in state
11th of 12 in county
  Density2,916.0/sq mi (1,125.9/km2)
   Rank222nd of 565 in state
3rd of 12 in county
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (Eastern (EDT))
ZIP Code
08534
Area code609
FIPS code3402157600
GNIS feature ID885347
Websitewww.penningtonboro.org

Pennington is a borough in Mercer County, in the U.S. state of New Jersey. The borough is located at the cross-roads between the Delaware Valley region to the southwest and the Raritan Valley region to the northeast. As of the 2020 United States census, the borough's population was 2,802, its highest decennial count ever and an increase of 217 (+8.4%) from the 2010 census count of 2,585, which in turn had reflected a decline of 111 (−4.1%) from the 2,696 counted in the 2000 census.