South San Francisco is located in California. South San Francisco, California has a population of 65,871. South San Francisco is less family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 29%.
The median household income in South San Francisco, California is $100,780. The median household income for the surrounding county is $118,763 compared to the national median of $61,963. The median age of people living in South San Francisco is 40.7 years.
The average high temperature in July is 70.75 degrees, with an average low temperature in January of 43.85 degrees. The annual precipitation is 24.81.