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.