S San Francisco is located in California. S San Francisco, California has a population of 33,560.
The median household income in S San Francisco, California is $92,074. The median household income for the surrounding county is $105,667 compared to the national median of $57,652. The median age of people living in S San Francisco is 39.1 years.
The average high temperature in July is 72 degrees, with an average low temperature in January of 44.2 degrees. The average rainfall is approximately 23.5 inches per year, with 0 inches of snow per year.