Nixa is located in Christian county Missouri with a geographic area of 9.1 square miles. The total population in Nixa is 22,086 with 51.1% male and 48.9% female. Children under age 5 represent 7.6% of the population, under age 18 equal 26.1% of the population and over age 65 is 14.3% of the population. The median household income is $63,176, per capita income is $27,995. There are a total of 8,170 housing units with 65.6% owner occupied. Education includes 23.8% of residents that are high school graduates and 32.1% with a bachelor's degree or higher. The average temperature in Nixa in the summer is 77 degrees, and in the winter 32 degrees.