Aiken County, South Carolina

Aiken County, South Carolina
Aiken County Courthouse and Confederate Monument
Location within the U.S. state of South Carolina
Interactive map of Aiken County, South Carolina
Coordinates: 33°33′N 81°38′W / 33.55°N 81.63°W / 33.55; -81.63
Country United States
State South Carolina
Founded1871 (1871)
Named afterWilliam Aiken
SeatAiken
Largest communityAiken
Area
 • Total
1,080.17 sq mi (2,797.6 km2)
 • Land1,070.69 sq mi (2,773.1 km2)
 • Water9.48 sq mi (24.6 km2)  0.88%
Population
 (2020)
 • Total
168,808
 • Estimate 
(2024)
179,245
 • Density157.663/sq mi (60.8740/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websitewww.aikencountysc.gov

Aiken County (/ˈkən/) is a county in the U.S. state of South Carolina. As of the 2020 census, its population was 168,808. Its county seat and largest community is Aiken. Aiken County is a part of the Augusta-Richmond County, GA-SC Metropolitan Statistical Area. It is mostly in the Sandhills region, with the northern parts reaching in the Piedmont and southern parts reaching into the Coastal Plain.