Thousand oaks is located in Ventura county California with a geographic area of 55.3 square miles. The total population in Thousand oaks is 127,648 with 48.8% male and 51.2% female. Children under age 5 represent 5.4% of the population, under age 18 equal 21.0% of the population and over age 65 is 19.6% of the population. The median household income is $108,377, per capita income is $53,605. There are a total of 46,341 housing units with 69.4% owner occupied. Education includes 11.0% of residents that are high school graduates and 52.9% with a bachelor's degree or higher. The average temperature in Thousand oaks in the summer is 76 degrees, and in the winter 43 degrees.