Barnwell County
| Use attributes for filter ! | |
| Founded | 1798 |
|---|---|
| Area | 1443 |
| Population | 21,345 (2017) |
| County seat | Barnwell |
| Cities | Barnwell |
| Blackville | |
| Williston | |
| Elko | |
| Hilda | |
| Snelling | |
| Kline | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1090750 |
About Barnwell County
Barnwell County is a county in the U. S. state of South Carolina. As of the 2010 census, its population was 22,621. Its county seat is Barnwell.