Rodeo is located in Contra costa county California with a geographic area of 3.8 square miles. The total population in Rodeo is 10,023 with 48.0% male and 52.0% female. Children under age 5 represent 7.7% of the population, under age 18 equal 23.9% of the population and over age 65 is 15.2% of the population. The median household income is $78,042, per capita income is $36,724. There are a total of 3,315 housing units with 57.9% owner occupied. Education includes 19.1% of residents that are high school graduates and 26.3% with a bachelor's degree or higher. The average temperature in Rodeo in the summer is 76 degrees, and in the winter 43 degrees.