Barnwell
City in South Carolina
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Barnwell is a city in and county seat of Barnwell County, South Carolina, United States, located along U.S. Route 278. The population was 4,750 at the 2010 census. Wikipedia
ZIP codes: 29812-29813
Population: 4,588 (2022)
Area: 7.99 mi²
Sales tax: 8%
Area codes: 803, 839
Elevation: 217 ft (66 m)
Town: 1829