Marion County, South Carolina

Marion County, South Carolina
Motto: 
"It's just right!"
Location within the U.S. state of South Carolina
Coordinates: 34°05′N 79°21′W / 34.08°N 79.35°W / 34.08; -79.35
Country United States
State South Carolina
Founded1798
Named afterFrancis Marion
SeatMarion
Largest communityMarion
Area
 • Total
494.17 sq mi (1,279.9 km2)
 • Land489.37 sq mi (1,267.5 km2)
 • Water4.80 sq mi (12.4 km2)  0.97%
Population
 (2020)
 • Total
29,183
 • Estimate 
(2024)
28,368
 • Density59.634/sq mi (23.025/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district7th
Websitewww.marionsc.org

Marion County is a county located in the coastal plain of the U.S. state of South Carolina. As of the 2020 census, its population was 29,183. Its county seat is Marion. It is a majority-minority county.