Charter Oak is located in California. Charter Oak, California has a population of 9,481. Charter Oak is more family-centric than the surrounding county with 36.68% of the households containing married families with children. The county average for households married with children is 32.35%.
The median household income in Charter Oak, California is $62,936. 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 Charter Oak is 35.5 years.
The average high temperature in July is 84.3 degrees, with an average low temperature in January of 45.5 degrees. The average rainfall is approximately 16.9 inches per year, with 0.3 inches of snow per year.