San Marino is located in California. San Marino, California has a population of 13,331. San Marino is more family-centric than the surrounding county with 40.19% of the households containing married families with children. The county average for households married with children is 32.35%.
The median household income in San Marino, California is $152,527. The median household income for the surrounding county is $61,015 compared to the national median of $57,652. The median age of people living in San Marino is 46.6 years.
The average high temperature in July is 85.5 degrees, with an average low temperature in January of 45.1 degrees. The average rainfall is approximately 21 inches per year, with 0 inches of snow per year.