Lake Providence is a town in and the parish seat of East Carroll Parish in northeastern Louisiana, United States. The population was 5,104 at the 2000 census but declined by more than 20 percent to 3,991 in 2010. The town's poverty rate is approximately 55 percent; the average median household income is $16,500, and the average age is 31. The town shares its name with the oxbow lake of the Mississippi River, also called Lake Providence.