Lauderdale County, Tennessee

Lauderdale County
Lauderdale County Courthouse in Ripley
Location within the U.S. state of Tennessee
Tennessee's location within the U.S.
Coordinates: 35°46′N 89°38′W / 35.76°N 89.63°W / 35.76; -89.63
Country United States
State Tennessee
Founded1835
Named afterJames Lauderdale
SeatRipley
Largest cityRipley
Area
  Total
508 sq mi (1,320 km2)
  Land472 sq mi (1,220 km2)
  Water36 sq mi (90 km2)  7.0%
Population
 (2020)
  Total
25,143
  Density59/sq mi (23/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district8th
Websitelauderdalecountytn.org

Lauderdale County is a county located on the western edge of the U.S. state of Tennessee, with its border the Mississippi River. As of the 2020 census, the population was 25,143. Its county seat is Ripley. Since the antebellum years, it has been developed for cotton as a major commodity crop.