Barnwell County | |
|---|---|
 Barnwell County Courthouse | |
 Seal  Logo | |
 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 for | 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 | 37.55/sq mi (14.50/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.[1] It is located in the Central Savannah River Area. Its county seat is Barnwell.[2]
- ^ Cite error: The named reference
2020CensusQuickFactswas invoked but never defined (see the help page). - ^ "Find a County". National Association of Counties. Archived from the original on July 12, 2012. Retrieved June 7, 2011.