Columbia County
Also known as Columbia County, Georgia, Columbia County, GA
county in Georgia, United States
Key facts
- Country
- United States
- State
- Georgia
- Founded
- 1790 ; 236 years ago ( 1790 )
- Named after
- Columbia
- Seat
- Appling ( de jure ), Evans ( de facto )
- Largest community
- Martinez
- Total
- 308 sq mi (800 km )
- Land
- 290 sq mi (750 km )
- Water
- 18 sq mi (47 km ) 5.7%
- Estimate 2025
- 169,189
- Density
- 538/sq mi (208/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
~22 min read
Article
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 metropolitan area. It is located along the Savannah River.