Atco is an unincorporated community in Waterford Township in Camden County, New Jersey, United States. It is part of the Philadelphia-Camden metropolitan area, located 16 miles southeast of Camden. Though generally considered part of Waterford Township, a small section of the southern edge of Atco is located in Winslow Township.As of the 2010 United States Census, the population for ZIP Code Tabulation Area 08004 was 12,350.Atco is the home of the Atco Raceway, and served as the location for the movie Eddie and the Cruisers. In 2005, an episode of Viva La Bam was shot at the raceway. The area is served as United States Postal Service ZIP Code 08004.