Barnwell County
County in South Carolina
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. Wikipedia
Cities: Barnwell, Blackville, Williston, and more
Population: 20,414 (2022)
Area: 557 mi²
County seat: Barnwell
Congressional district: 2nd