Casa grande is located in Pinal county Arizona with a geographic area of 110.9 square miles. The total population in Casa grande is 57,318 with 50.0% male and 50.0% female. Children under age 5 represent 6.3% of the population, under age 18 equal 25.6% of the population and over age 65 is 19.7% of the population. The median household income is $55,236, per capita income is $30,290. There are a total of 19,016 housing units with 64.4% owner occupied. Education includes 31.1% of residents that are high school graduates and 21.4% with a bachelor's degree or higher. The average temperature in Casa grande in the summer is 88 degrees, and in the winter 49 degrees.