Slidell is located in Louisiana. Slidell, Louisiana has a population of 27,755. Slidell is less family-centric than the surrounding county with 27.71% of the households containing married families with children. The county average for households married with children is 32.63%.
The median household income in Slidell, Louisiana is $55,168. The median household income for the surrounding county is $66,539 compared to the national median of $57,652. The median age of people living in Slidell is 37.4 years.
The average high temperature in July is 90.8 degrees, with an average low temperature in January of 40.3 degrees. The average rainfall is approximately 61.7 inches per year, with 0.2 inches of snow per year.