Redan is a census-designated place (CDP) in DeKalb County, Georgia, United States. As of the 2000 census, the CDP had a total population of 33,841. It is a predominately affluent African American community in eastern DeKalb County. Redan was probably named after the numerous redans built during the Atlanta Campaign of the American Civil War. There is also a Redan High School located here. It has also been said that Redan was named after The Redan Store, a trading stop along the railway run by a couple named Reed and Ann.