Acworth is a city in Cobb County, Georgia, United States. It is part of the Atlanta metropolitan area. As of the 2020 census, this city had a population of 22,440, up from 20,425 in 2010. Acworth is located in the foothills of the North Georgia mountains along the southeastern banks of Lake Acworth and Lake Allatoona on the Etowah River. Unincorporated areas known as Acworth extend into Bartow, Cherokee and Paulding counties.