South Carolina County Courthouses

The U.S. state of South Carolina is made up of 46 counties, the maximum allowable by state law. They range in size from 359 square miles (930 square kilometers) in the case of Calhoun County to 1,358 square miles (3,517 square kilometers) in the case of Charleston County. The least populous county is Allendale County, with only 8,039 residents, while the most populous county is Greenville County, with a population of 525,534, despite the state's most populous city, Charleston, being located in Charleston County.