Indio is located in Riverside county California with a geographic area of 33.2 square miles. The total population in Indio is 89,996 with 48.8% male and 51.2% female. Children under age 5 represent 5.9% of the population, under age 18 equal 22.2% of the population and over age 65 is 19.6% of the population. The median household income is $53,434, per capita income is $28,395. There are a total of 33,806 housing units with 72.2% owner occupied. Education includes 34.9% of residents that are high school graduates and 18.9% with a bachelor's degree or higher. The average temperature in Indio in the summer is 89 degrees, and in the winter 43 degrees.