San Marino is located in California. San Marino, California has a population of 12,940. San Marino is more family-centric than the surrounding county with 37% households with children. The county percentage for households with children is 29%.
The median household income in San Marino, California is $159,988. The median household income for the surrounding county is $67,678 compared to the national median of $61,963. The median age of people living in San Marino is 48.2 years.
The average high temperature in July is 89.03 degrees, with an average low temperature in January of 42.74 degrees. The annual precipitation is 18.77.