Cupertino is located in Santa clara county California with a geographic area of 11.3 square miles. The total population in Cupertino is 59,799 with 50.9% male and 49.1% female. Children under age 5 represent 5.0% of the population, under age 18 equal 26.1% of the population and over age 65 is 14.5% of the population. The median household income is $182,857, per capita income is $76,442. There are a total of 20,506 housing units with 60.8% owner occupied. Education includes 4.4% of residents that are high school graduates and 82.8% with a bachelor's degree or higher. The average temperature in Cupertino in the summer is 76 degrees, and in the winter 43 degrees.