DeSoto County, Mississippi

DeSoto County
DeSoto County Courthouse
Location within the U.S. state of Mississippi
Mississippi's location within the U.S.
Coordinates: 34°53′N 89°59′W / 34.88°N 89.99°W / 34.88; -89.99
Country United States
State Mississippi
FoundedFebruary 9, 1836
Named afterHernando de Soto
SeatHernando
Largest citySouthaven
Area
  Total
497 sq mi (1,290 km2)
  Land476 sq mi (1,230 km2)
  Water21 sq mi (50 km2)  4.2%
Population
 (2020)
  Total
185,314
  Estimate 
(2023)
193,247
  Density370/sq mi (140/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.desotocountyms.gov

DeSoto County is a county - located on the northwestern border of the U.S. state of Mississippi. As of the 2020 census, the population was 185,314, making it the third-most populous county in Mississippi. Its county seat is Hernando. DeSoto County is part of the Memphis metropolitan area. It is the second-most populous county in that statistical area. The county has lowland areas that were developed in the 19th century for cotton plantations, and hill country in the eastern part of the county.