Barnesville is a city in Lamar County, Georgia, United States. As of the 2010 census, the city had a population of 6,755, up from 5,972 at the 2000 census. The city is the county seat of Lamar County and is part of the Atlanta metropolitan area.
Barnesville City Hall
Buggy Days Festival
Lamar County is a county located in the west central portion of the U.S. state of Georgia. As of the 2020 census, the population was 18,500. The county seat is Barnesville.
Lamar County courthouse in Barnesville