Marion County, Texas

Marion County, Texas
Marion County Courthouse in Jefferson
Location within the U.S. state of Texas
Coordinates: 32°48′N 94°22′W / 32.8°N 94.36°W / 32.8; -94.36
Country United States
State Texas
Founded1860
Named afterFrancis Marion
SeatJefferson
Largest cityJefferson
Area
 • Total
420 sq mi (1,100 km2)
 • Land381 sq mi (990 km2)
 • Water39 sq mi (100 km2)  9.4%
Population
 (2020)
 • Total
9,725
 • Density25.5/sq mi (9.86/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.co.marion.tx.us

Marion County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 9,725. Its county seat is Jefferson. Marion County is in East Texas and is named for Francis Marion, the Revolutionary War general from South Carolina who was nicknamed the "Swamp Fox".