San Marcos is located in California. San Marcos, California 92078has a population of 93,493. San Marcos 92078 is more family-centric than the surrounding county with 41.26% of the households containing married families with children. The county average for households married with children is 34.63%.
The median household income in San Marcos, California 92078 is $70,417. The median household income for the surrounding county is $70,588 compared to the national median of $57,652. The median age of people living in San Marcos 92078 is 35.1 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 44.3 degrees. The average rainfall is approximately 13.5 inches per year, with 0 inches of snow per year.
