San Augustine County, Texas

San Augustine County
The San Augustine County Courthouse
Location within the U.S. state of Texas
Texas's location within the U.S.
Coordinates: 31°24′N 94°11′W / 31.4°N 94.18°W / 31.4; -94.18
Country United States
State Texas
Founded1837
Named afterPresidio de San Agustín de Ahumada, named for Agustín de Ahumada, 2nd Marquess of Amarillas
SeatSan Augustine
Largest citySan Augustine
Area
  Total
592 sq mi (1,530 km2)
  Land531 sq mi (1,380 km2)
  Water62 sq mi (160 km2)  10%
Population
 (2020)
  Total
7,918
  Density13/sq mi (5.2/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.co.san-augustine.tx.us

San Augustine County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 7,918. Its county seat is San Augustine.