Castaic is located in California. Castaic, California has a population of 18,279. Castaic is more family-centric than the surrounding county with 39% households with children. The county percentage for households with children is 29%.
The median household income in Castaic, California is $120,537. The median household income for the surrounding county is $73,262 compared to the national median of $66,222. The median age of people living in Castaic is 37.7 years.
The average high temperature in July is 94.2 degrees, with an average low temperature in January of 36.1 degrees. The annual precipitation is 13.96.