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. The Barnwell District was created in 1797 from the southwestern portion of the Orangeburg District, along the Savannah River. It was named after John Barnwell…
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. The Barnwell District was created in 1797 from the southwestern portion of the Orangeburg District, along the Savannah River. It was named after John Barnwell, a local figure in the Revolutionary War.
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