Sewell (N.J.)

Sewell ( SOOL) is a census-designated place (CDP) and unincorporated community within Mantua Township, Gloucester County, in the U.S. state of New Jersey, within the Philadelphia metropolitan area. There are also areas around Sewell in Washington Township. As of the 2020 United States census, the CDP's population was 3,346. The CDP was named after United States Senator William Joyce Sewell. The community is served as U.S. Postal Service ZIP Code 08080. Sewell is home to Rowan College of South Jersey. Sewell is also the site of the Inversand marl pit, the last operational greensand mine in the world. The location has become renowned for its paleontology and is similar to many of the sites studied by early paleontologists, particularly Edward Drinker Cope. It is also home to the Barnsboro Inn, the oldest bar in New Jersey.