Joplin is located in Jasper county Missouri with a geographic area of 38.1 square miles. The total population in Joplin is 50,580 with 49.1% male and 50.9% female. Children under age 5 represent 6.6% of the population, under age 18 equal 22.2% of the population and over age 65 is 17.9% of the population. The median household income is $45,091, per capita income is $26,549. There are a total of 21,012 housing units with 57.9% owner occupied. Education includes 33.1% of residents that are high school graduates and 25.3% with a bachelor's degree or higher. The average temperature in Joplin in the summer is 78 degrees, and in the winter 32 degrees.