Acworth is a city in Cobb County Georgia, United States. It is part of the Atlanta metropolitan area. The 2019 estimate for Acworth's population is 22,818. As of the 2010 census, this city had a population of 20,425, up from 13,422 in 2000. 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 respectively.
Acworth's nickname is The Lake City because of its proximity to Lake Allatoona and Lake Acworth.
Like the rest of Cobb County, the area now containing Acworth was carved out of the former Cherokee Nation in 1831 after the natives were expelled.
The Western and Atlantic Railroad was completed through town in 1840. A watering station for the locomotives was established there.
The town received its current name in 1843 from Western & Atlantic Railroad engineer Joseph L. Gregg, who named it for his hometown of Acworth, New Hampshire, which was named for the former Royal Navy Surveyor Sir Jacob Acworth.
Telegraph lines reached the town in 1851.
A private school was opened for white students in 1852.