Kansas in United States with a geographic area of 82,276.4 square miles. The total population in Kansas is 2,912,619 with 49.8% male and 50.2% female. Children under age 5 represent 6.5% of the population, under age 18 equal 24.2% of the population and over age 65 is 15.8% of the population. The median household income is $61,091, per capita income is $32,798. There are a total of 1,141,985 housing units with 66.2% owner occupied. Education includes 23.8% of residents that are high school graduates and 35.3% with a bachelor's degree or higher. The average temperature in Kansas in the summer is 77 degrees, and in the winter 31 degrees.