The state of South Carolina is divided into 46 counties. Beaufort County is the oldest (founded in 1769), while Allendale County is the newest (established in 1919).

Greenville County is the most populous, with a population of 498,766 people. Charleston County has the most land area (3,517 km2), while Calhoun County has the smallest (1,015 km2).

Please find all South Carolina counties listed alphabetically below.

• Abbeville County, SC
• Aiken County, SC
• Allendale County, SC
• Anderson County, SC
• Bamberg County, SC
• Barnwell County, SC
• Beaufort County, SC
• Berkeley County, SC
• Calhoun County, SC
• Charleston County, SC
• Cherokee County, SC
• Chester County, SC
• Chesterfield County, SC
• Clarendon County, SC
• Colleton County, SC
• Darlington County, SC
• Dillon County, SC
• Dorchester County, SC
• Edgefield County, SC
• Fairfield County, SC
• Florence County, SC
• Georgetown County, SC
• Greenville County, SC
• Greenwood County, SC
• Hampton County, SC
• Horry County, SC
• Jasper County, SC
• Kershaw County, SC
• Lancaster County, SC
• Laurens County, SC
• Lee County, SC
• Lexington County, SC
• Marion County, SC
• Marlboro County, SC
• McCormick County, SC
• Newberry County, SC
• Oconee County, SC
• Orangeburg County, SC
• Pickens County, SC
• Richland County, SC
• Saluda County, SC
• Spartanburg County, SC
• Sumter County, SC
• Union County, SC
• Williamsburg County, SC
• York County, SC