Mannington is a township in Salem County, in the Philadelphia-Camden metro area. The township has a total area of 38.4 square miles and a population over 1,500. Mannington was incorporated by a New Jersey Legislature Act in February 1798 as one of New Jersey's original group of 104 townships. Mannington is surrounded on two sides by the scenic Salem Creek, harmonizing gently rolling farmland with woodland patches. Vast expanses of open land and minimum lot sizes of one acre combine with reasonable housing costs to create an idyllic setting in these townships. Recreational amenities and opportunities include a private swim club and several golf courses. Nearby Fort Mott State Park encourages swimming, hiking, biking, and picnicking.