Louisiana in United States with a geographic area of 51,839.4 square miles. The total population in Louisiana is 4,664,616 with 48.8% male and 51.2% female. Children under age 5 represent 6.5% of the population, under age 18 equal 23.5% of the population and over age 65 is 15.4% of the population. The median household income is $50,800, per capita income is $29,522. There are a total of 1,751,956 housing units with 66.6% owner occupied. Education includes 31.2% of residents that are high school graduates and 26.7% with a bachelor's degree or higher. The average temperature in Louisiana in the summer is 81 degrees, and in the winter 51 degrees.