Aiken County, South Carolina

Aiken County
Aiken County Courthouse and Confederate Monument
Location within the U.S. state of South Carolina
South Carolina's location within the U.S.
Coordinates: 33°33′N 81°38′W / 33.55°N 81.63°W / 33.55; -81.63
Country United States
State South Carolina
Founded1871
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 
(2023)
177,130
  Density160/sq mi (60/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.