Mission viejo is located in Orange county California with a geographic area of 17.7 square miles. The total population in Mission viejo is 95,638 with 49.5% male and 50.5% female. Children under age 5 represent 5.4% of the population, under age 18 equal 20.1% of the population and over age 65 is 21.3% of the population. The median household income is $121,299, per capita income is $50,923. There are a total of 33,000 housing units with 77.2% owner occupied. Education includes 9.4% of residents that are high school graduates and 55.2% with a bachelor's degree or higher. The average temperature in Mission viejo in the summer is 71 degrees, and in the winter 43 degrees.
