Mississippi in United States with a geographic area of 48,429.9 square miles. The total population in Mississippi is 2,981,835 with 48.4% male and 51.6% female. Children under age 5 represent 6.2% of the population, under age 18 equal 23.7% of the population and over age 65 is 15.9% of the population. The median household income is $46,511, per capita income is $25,444. There are a total of 1,116,649 housing units with 68.8% owner occupied. Education includes 27.7% of residents that are high school graduates and 24.7% with a bachelor's degree or higher. The average temperature in Mississippi in the summer is 80 degrees, and in the winter 46 degrees.