Mableton is a city in Cobb County, Georgia, United States. Voters of the unincorporated area of Mableton approved a referendum to incorporate on November 8, 2022, and six council members were elected on March 21, 2023, with Michael Owens elected as mayor of Mableton in the 2023 Mableton mayoral election. According to the 2020 census, the census-designated area Mableton had a population of 37,115; the city has more.