South Dennis, New Jersey

South Dennis, New Jersey
Route 47 southbound approaching Route 83 in South Dennis
South Dennis
Location in Cape May County
South Dennis
Location in New Jersey
South Dennis
Location in the United States
Coordinates: 39°10′42″N 74°49′12″W / 39.17833°N 74.82000°W / 39.17833; -74.82000
Country United States
State New Jersey
CountyCape May
TownshipDennis
Area
 • Total
6.28 sq mi (16.27 km2)
 • Land6.21 sq mi (16.08 km2)
 • Water0.073 sq mi (0.19 km2)
Elevation
10 ft (3.0 m)
Population
 (2020)
 • Total
1,703
 • Density274/sq mi (105.9/km2)
Time zoneUTC−05:00 (Eastern (EST))
 • Summer (DST)UTC−04:00 (EDT)
ZIP Code
08245
Area codes609, 640
FIPS code34-68850
GNIS feature ID880724

South Dennis is an unincorporated community located within Dennis Township in Cape May County, in the U.S. state of New Jersey. As of the 2020 census, South Dennis had a population of 1,703. It is part of the Ocean City Metropolitan Statistical Area. Its postal ZIP Code is 08245. The post office was established in 1873, with Robert Hutchinson as the first postmaster.