Lexington is a city in Oglethorpe County, Georgia, United States. The population was 239 at the 2000 census. The city is the county seat of Oglethorpe County. Lexington is home to Shaking Rock Park.
Lexington is located at 33°52′13″N 83°6′39″W / 33.87028°N 83.11083°W / 33.87028; -83.11083 (33.870351, -83.110916).
According to the United States Census Bureau, the city has a total area of 0.5 square miles (1.4 km²), all of it land.