Austell is a city in Cobb and Douglas counties in the U.S. state of Georgia. It is part of the Atlanta metropolitan area. As of the 2020 census, the city had a population of 7,713.

Douglas County is a county located in the north central portion of the U.S. state of Georgia. As of the 2020 U.S. Census, the population was 144,237, having more than doubled since 1990. The county seat is Douglasville. The City of Villa Rica, and a small portion of Austell are both also located in Douglas County. Douglas County is included in the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area. It has attracted new residents as jobs have increased in the Atlanta area.