South Mansfield is a village in De Soto Parish, Louisiana.

According to the United States Census Bureau of 2000, South Mansfield has a population of more than 350 people. The village has a total area 0.7 square miles and is located 361 feet above sea level.

The racial demographics of South Mansfield are 24.43% White, 73.86% African American, 0.57% Native American, 0.28% Asian, and 0.85% from two or more races. Hispanic or Latino of any race are 2.27% of the population.

South Mansfield has over 150 households. The median income for a household in the village is $12,417, and the median income for a family is $24,375.

De Soto Parish is located in northwestern Louisiana and is surrounded by six other parishes/counties, including two from Texas.

According to the U.S. Census Bureau of 2000, De Soto Parish has a population of more than 25,000 people. The county has a total area of 894 square miles with 17 square miles of water.

De Soto Parish has eight total towns and cities and two unincorporated areas. The county seat is Mansfield.

De Soto Parish Is home to part of the national protected area of Red River National Wildlife Refuge, which has over 50,000 acres.