Manville is a borough in Somerset County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 10,344, reflecting an increase of 1 (+0.0%) from the 10,343 counted in the 2000 Census, which had in turn declined by 224 (-2.1%) from the 10,567 counted in the 1990 Census. Manville was named after the Johns-Manville Corporation, which maintained a large manufacturing facility in the borough for decades.
Historically, many of Manville's residents are of Slavic — mostly eastern Polish (23.1% of the borough's population) and western Ukrainian descent — with many businesses and restaurants geared towards the Polish-American community located along County Route 533.
Manville was formed by an act of the New Jersey Legislature on April 1, 1929, with a referendum held on April 18, 1929.