San juan capistrano is located in Orange county California with a geographic area of 14.4 square miles. The total population in San juan capistrano is 35,976 with 46.0% male and 54.0% female. Children under age 5 represent 4.7% of the population, under age 18 equal 24.4% of the population and over age 65 is 18.0% of the population. The median household income is $103,922, per capita income is $50,526. There are a total of 12,238 housing units with 74.7% owner occupied. Education includes 10.8% of residents that are high school graduates and 44.2% with a bachelor's degree or higher. The average temperature in San juan capistrano in the summer is 68 degrees, and in the winter 43 degrees.