Castaic is located in California. Castaic, California has a population of 18,017. Castaic is more family-centric than the surrounding county with 41.32% of the households containing married families with children. The county average for households married with children is 30.99%.
The median household income in Castaic, California is $127,344. The median household income for the surrounding county is $76,367 compared to the national median of $69,021. The median age of people living in Castaic is 38.2 years.
The average high temperature in July is 89.8 degrees, with an average low temperature in January of 46.1 degrees. The average rainfall is approximately 18.4 inches per year, with 0 inches of snow per year.