South Amboy Flag

South Amboy

County Seat:
No
Area (mi²):
1.538
State:
New Jersey

South Amboy is a city located in Middlesex County, New Jersey. South Amboy has a 2026 population of 10,549. South Amboy is currently growing at a rate of 1.63% annually and its population has increased by 12.58% since the most recent census, which recorded a population of 9,370 in 2020.

10.5K
Total Population
6,860
Density (mi²)
169 1.63%
Growth