About San Marcos, CA
San Marcos is located in California. San Marcos, California has a population of 96,078. San Marcos is more family-centric than the surrounding county with 36% households with children. The county percentage for households with children is 30%.
The median household income in San Marcos, California is $78,516. The median household income for the surrounding county is $77,898 compared to the national median of $61,963. The median age of people living in San Marcos is 35.9 years.
San Marcos Weather
The average high temperature in July is 88.6 degrees, with an average low temperature in January of 42.5 degrees. The annual precipitation is 15.1.
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