DeSoto Parish is a parish located in the U.S. state of Louisiana. The parish was formed in 1843. At the 2020 U.S. census, the population was 26,812. Its parish seat and most populous municipality is Mansfield. DeSoto Parish is part of the Shreveport–Bossier City metropolitan statistical area.
Country: United States
State: Louisiana
Region: North Louisiana
Founded: 1843
Named for: settler, Marcel DeSoto
Parish seat: Mansfield
Largest municipality: Stonewall (area) · Mansfield (population)