Mandeville is located in St. tammany county Louisiana with a geographic area of 7.1 square miles. The total population in Mandeville is 12,567 with 50.1% male and 49.9% female. Children under age 5 represent 4.3% of the population, under age 18 equal 25.3% of the population and over age 65 is 18.0% of the population. The median household income is $76,768, per capita income is $49,029. There are a total of 4,636 housing units with 65.1% owner occupied. Education includes 11.9% of residents that are high school graduates and 58.5% with a bachelor's degree or higher. The average temperature in Mandeville in the summer is 81 degrees, and in the winter 51 degrees.
