Barnwell County, South Carolina
Barnwell County | |
|---|---|
Barnwell County Courthouse | |
Location within the U.S. state of South Carolina | |
South Carolina's location within the U.S. | |
| Coordinates: 33°16′N 81°26′W / 33.26°N 81.43°W | |
| Country | United States |
| State | South Carolina |
| Founded | 1800 |
| Named after | John Barnwell |
| Seat | Barnwell |
| Largest community | Barnwell |
| Area | |
• Total | 557.26 sq mi (1,443.3 km2) |
| • Land | 548.38 sq mi (1,420.3 km2) |
| • Water | 8.88 sq mi (23.0 km2) 1.59% |
| Population (2020) | |
• Total | 20,589 |
• Estimate (2023) | 20,447 |
| • Density | 37/sq mi (14/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 2nd |
| Website | www |
Barnwell County is a county in the U.S. state of South Carolina. As of the 2020 census, its population was 20,589. It is located in the Central Savannah River Area. Its county seat is Barnwell.