Pennsville is a census-designated place (CDP) in Pennsville Township, Salem County, New Jersey. As of the United States 2000 Census, the CDP population was 11,657.
Pennsville is located at 39°39′22″N 75°31′2″W / 39.65611°N 75.51722°W / 39.65611; -75.51722 (39.655993, -75.517106).
According to the United States Census Bureau, the CDP has a total area of 27.4 km² (10.6 mi²). 27.1 km² (10.5 mi²) of it is land and 0.3 km² (0.1 mi²) of it (1.04%) is water.