Port Elizabeth is an unincorporated community and census-designated place (CDP) located within Maurice River Township in Cumberland County, in the U.S. state of New Jersey. The area is served as United States Postal Service ZIP Code 08348.

Maurice River Township is the easternmost township in Cumberland County, in the U.S. state of New Jersey. The township, and all of Cumberland County, is part of the Vineland-Bridgeton metropolitan statistical area for statistical purposes, and of the Philadelphia-Wilmington-Camden, PA-NJ-DE-MD combined statistical area, also known as the Delaware Valley or Philadelphia metropolitan area. As of the 2020 United States census, the township's population was 6,218, a decrease of 1,758 (−22.0%) from the 2010 census count of 7,976, which in turn reflected an increase of 1,048 (+15.1%) from the 6,928 counted in the 2000 census.