South Amboy, New Jersey

South Amboy, New Jersey
Downtown South Amboy along Broadway
Nickname: 
"The Gateway to the Shore"
Location of South Amboy in Middlesex County highlighted in red (left). Inset map: Location of Middlesex County in New Jersey highlighted in orange (right).
Census Bureau map of South Amboy, New Jersey
South Amboy
Location in Middlesex County
South Amboy
Location in New Jersey
South Amboy
Location in the United States
Coordinates: 40°28′55″N 74°16′59″W / 40.48194°N 74.28306°W / 40.48194; -74.28306
Country United States
State New Jersey
CountyMiddlesex
IncorporatedFebruary 21, 1798
Government
  TypeFaulkner Act (mayor–council)
  BodyCity Council
  MayorFred A. Henry (D, term ends December 31, 2026)
  AdministratorDavid Kales
  Municipal clerkDeborah Brooks
Area
  Total
2.70 sq mi (6.99 km2)
  Land1.54 sq mi (3.98 km2)
  Water1.16 sq mi (3.01 km2)  42.76%
  Rank365th of 565 in state
19th of 25 in county
Elevation
9 ft (3 m)
Population
 (2020)
  Total
9,411
  Estimate 
(2024)
10,549
  Rank254th of 565 in state
19th of 25 in county
  Density6,119.0/sq mi (2,362.6/km2)
   Rank88th of 565 in state
6th of 25 in county
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (Eastern (EDT))
ZIP Codes
08879
Area code(s)732 and 848
FIPS code3402368550
GNIS feature ID0885399
Websitewww.southamboynj.gov

South Amboy is a city in Middlesex County, in the U.S. state of New Jersey, located on Raritan Bay. As of the 2020 United States census, the city's population was 9,411, an increase of 780 (+9.0%) from the 2010 census count of 8,631, which in turn reflected an increase of 718 (+9.1%) from the 7,913 counted in the 2000 census.

South Amboy and Perth Amboy, across the Raritan River, are collectively referred to as The Amboys. Signage for exit 11 on the New Jersey Turnpike refers to "The Amboys" as a destination.