Antioch is located in California. Antioch, California 94509has a population of 110,430. Antioch 94509 is more family-centric than the surrounding county with 36% households with children. The county percentage for households with children is 32%.
The median household income in Antioch, California 94509 is $78,780. The median household income for the surrounding county is $104,754 compared to the national median of $66,222. The median age of people living in Antioch 94509 is 36.3 years.
The average high temperature in July is 90.7 degrees, with an average low temperature in January of 37.8 degrees. The annual precipitation is 13.33.