Atherton is located in San mateo county California with a geographic area of 5.0 square miles. The total population in Atherton is 7,060 with 49.7% male and 50.3% female. Children under age 5 represent 3.1% of the population, under age 18 equal 20.6% of the population and over age 65 is 24.8% of the population. The median household income is $250,000, per capita income is $155,254. There are a total of 2,192 housing units with 89.0% owner occupied. Education includes 3.4% of residents that are high school graduates and 89.2% with a bachelor's degree or higher. The average temperature in Atherton in the summer is 76 degrees, and in the winter 43 degrees.
