Yorba linda is located in Orange county California with a geographic area of 20.0 square miles. The total population in Yorba linda is 68,103 with 49.0% male and 51.0% female. Children under age 5 represent 4.8% of the population, under age 18 equal 23.3% of the population and over age 65 is 18.0% of the population. The median household income is $133,088, per capita income is $56,367. There are a total of 22,528 housing units with 82.4% owner occupied. Education includes 10.4% of residents that are high school graduates and 59.1% with a bachelor's degree or higher. The average temperature in Yorba linda in the summer is 72 degrees, and in the winter 43 degrees.