Westville is a borough in Gloucester County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 4,288, reflecting a decline of 212 (-4.7%) from the 4,500 counted in the 2000 Census, which had in turn declined by 73 (-1.6%) from the 4,573 counted in the 1990 Census. The Borough of Westville is known as "The Gateway to South Jersey!"
Westville was formed as a borough by an act of the New Jersey Legislature on April 7, 1914, from portions of Deptford Township and West Deptford Township, based on the results of a referendum held on April 28, 1914. The borough was reincorporated on March 8, 1924. Legislation had been passed in 1900 to create Westville, but it had to have a majority vote in favor of the new municipality in both Deptford and West Deptford. The borough was named for Thomas West, who built a home in the area in 1775 that still stands.
According to the United States Census Bureau, the borough had a total area of 1.38 square miles (3.58 km2), including 1.02 square miles (2.65 km2) of land and 0.36 square miles (0.93 km2) of water (25.94%).
Unincorporated communities, localities and place names located partially or completely within the borough include Newbold, South Westville and Westville Manor.
The borough borders the municipalities of Deptford Township and West Deptford Township in Gloucester County; Bellmawr, Brooklawn and Gloucester City in Camden County; and Philadelphia, across the Delaware River in Pennsylvania.
The 2010 United States Census counted 4,288 people, 1,755 households, and 1,095 families in the borough. The population density was 4,187.0 inhabitants per square mile (1,616.6/km2). There were 1,912 housing units at an average density of 1,867.0 per square mile (720.9/km2). The racial makeup was 89.53% (3,839) White, 4.90% (210) Black or African American, 0.16% (7) Native American, 1.49% (64) Asian, 0.05% (2) Pacific Islander, 2.31% (99) from other races, and 1.56% (67) from two or more races. Hispanic or Latino of any race were 6.02% (258) of the population.
Of the 1,755 households, 26.2% had children under the age of 18; 40.9% were married couples living together; 14.5% had a female householder with no husband present and 37.6% were non-families.