Mableton is a census-designated place in Cobb County, Georgia, United States. As of the 2010 census, Mableton had a population of 37,115. When Brookhaven became a city in December 2012, Mableton became the largest unincorporated community in Metro Atlanta.
It was named for Robert Mable, who on September 11, 1843 bought 300 acres (about 120 hectares or 1.2 km²) of land. The Southern Railway opened a railroad station in Mableton in December 1881, and on June 28, 1882 thepost office opened replacing the Bryantville post office about two miles (3 km) southeast. On August 19, 1912 Mableton was incorporated as a town but was disincorporated on August 17, 1916. The historic Mable House andplantation, located off U.S. 78 on Floyd Road just north of Clay Road, now includes an amphitheatre which hosts public events.
Roy Barnes, governor of Georgia from 1999 to 2003, is from Mableton.
Location in Cobb County and the state of Georgia
Mableton is located at (33.813355, -84.571691).
According to the United States Census Bureau, the CDP has a total area of 20.8 square miles (54 km2), of which 20.6 square miles (53 km2) is land and 0.2 square miles (0.52 km2), or 0.82%, is water.
Cobb County Schools operates public schools.
The Georgia Japanese Language School (GJLS; ジョージア日本語学校 Jōjia Nihongo Gakkō), a part-time supplementary Japanese school, holds its classes at the Lindley 6th Grade Academy in Mableton; Lindley previously was the W. H. Barnes Education Center. The GJLA opened with nine students in 1974 at Oglethorpe University, serving grades 1 through 9. The school moved to W.H. Barnes in 2002