South san francisco is located in San mateo county California with a geographic area of 9.2 square miles. The total population in South san francisco is 66,878 with 49.8% male and 50.2% female. Children under age 5 represent 4.8% of the population, under age 18 equal 17.8% of the population and over age 65 is 16.3% of the population. The median household income is $106,005, per capita income is $47,079. There are a total of 21,388 housing units with 61.6% owner occupied. Education includes 18.3% of residents that are high school graduates and 40.8% with a bachelor's degree or higher. The average temperature in South san francisco in the summer is 63 degrees, and in the winter 43 degrees.
