Berkeley County, South Carolina

Berkeley County, South Carolina
Mottoes: 
"One Berkeley"
"Rich History. Bright Future."
Location within the U.S. state of South Carolina
Interactive map of Berkeley County, South Carolina
Coordinates: 33°13′N 79°57′W / 33.21°N 79.95°W / 33.21; -79.95
Country United States
State South Carolina
Founded1882
Named afterSir William Berkeley
SeatMoncks Corner
Largest communityGoose Creek
Government
 • County SupervisorJohnny Cribb
Area
 • Total
1,233.88 sq mi (3,195.7 km2)
 • Land1,103.62 sq mi (2,858.4 km2)
 • Water130.26 sq mi (337.4 km2)  10.56%
Population
 (2020)
 • Total
229,861
 • Estimate 
(2024)
264,276
 • Density208.279/sq mi (80.4170/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitewww.berkeleycountysc.gov

Berkeley County is a county in the U.S. state of South Carolina. As of the 2020 census, its population was 229,861. Its county seat is Moncks Corner, and the largest community is Goose Creek.

After two previous incarnations of Berkeley County, the current county was created in 1882. Berkeley County is included in the Charleston, South Carolina metropolitan area.