Normal is located in Mclean county Illinois with a geographic area of 18.3 square miles. The total population in Normal is 54,699 with 46.9% male and 53.1% female. Children under age 5 represent 4.4% of the population, under age 18 equal 16.9% of the population and over age 65 is 10.9% of the population. The median household income is $58,381, per capita income is $29,948. There are a total of 19,520 housing units with 56.8% owner occupied. Education includes 15.2% of residents that are high school graduates and 46.4% with a bachelor's degree or higher. The average temperature in Normal in the summer is 74 degrees, and in the winter 27 degrees.