El Cajon is located in California. El Cajon, California 92021has a population of 103,618. El Cajon 92021 is more family-centric than the surrounding county with 32.33% households with children. The county percentage for households with children is 30%.
The median household income in El Cajon, California 92021 is $55,948. 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 El Cajon 92021 is 36.5 years.
The average high temperature in July is 87 degrees, with an average low temperature in January of 41.6 degrees. The annual precipitation is 11.96.