Los altos is located in Santa clara county California with a geographic area of 6.5 square miles. The total population in Los altos is 30,878 with 49.3% male and 50.7% female. Children under age 5 represent 4.4% of the population, under age 18 equal 25.5% of the population and over age 65 is 18.8% of the population. The median household income is $240,094, per capita income is $117,255. There are a total of 10,557 housing units with 79.8% owner occupied. Education includes 2.7% of residents that are high school graduates and 87.7% with a bachelor's degree or higher. The average temperature in Los altos in the summer is 67 degrees, and in the winter 43 degrees.