Columbia County, Georgia

Columbia County
Columbia County Courthouse in Appling
Location within the U.S. state of Georgia
Georgia's location within the U.S.
Coordinates: 33°33′N 82°16′W / 33.55°N 82.26°W / 33.55; -82.26
Country United States
State Georgia
Founded1790 (1790)
Named afterChristopher Columbus
SeatAppling (de jure)
Evans (de facto)
Largest communityMartinez
Area
  Total
308 sq mi (800 km2)
  Land290 sq mi (800 km2)
  Water18 sq mi (50 km2)  5.7%
Population
 (2020)
  Total
156,010
  Density538/sq mi (208/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district12th
Websitewww.columbiacountyga.gov

Columbia 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 156,010. The legal county seat is Appling, but the de facto seat of county government is Evans.

Columbia County is included in the Augusta-Richmond County, GA-SC metropolitan statistical area. It is located along the Savannah River.