Berkeley -- U.S. County in South Carolina Population (2000): 142651 Housing Units (2000): 54717 Land area (2000): 1097.716390 sq. miles (2843.072277 sq. km) Water area (2000): 130.353549 sq. miles (337.614128 sq. km) Total area (2000): 1228.069939 sq. miles (3180.686405 sq. km) Located within: South Carolina (SC), FIPS 45 Location: 33.127058 N, 79.980644 W Headwords: Berkeley Berkeley, SC Berkeley County Berkeley County, SC