Lincoln County is a county located in the east central portion of the U.S. state of Georgia. As of the 2020 census, the population was 7,690. The county seat is Lincolnton. The county was created on February 20, 1796. Lincoln County is included in the Augusta-Richmond County, GA-SC metropolitan statistical area, the Savannah River forming its northeastern border. Located above the fall line, it is part of the Central Savannah River Area and a member of the CSRA Regional Development Center.