Aiken ( /eɪkən/) is a city in and the county seat of Aiken County, South Carolina, United States. With Augusta, Georgia, it is one of the two largest cities of the Central Savannah River Area. It is part of the Augusta-Richmond County Metropolitan Statistical Area. Aiken is home to the University of South Carolina at Aiken. The population was 25,337 at the 2000 census. Aiken was recognized with the All-America City Award in 1997 by the National Civic League.
Aiken is located at 33°32′58″N 81°43′14″W / 33.54944°N 81.72056°W / 33.54944; -81.72056 (33.549397, -81.720689).
According to the United States Census Bureau, the city has a total area of 16.2 square miles (41.9 km²).