Montclair is located in California. Montclair, California has a population of 40,416. Montclair is more family-centric than the surrounding county with 40% households with children. The county percentage for households with children is 36%.
The median household income in Montclair, California is $58,413. The median household income for the surrounding county is $61,660 compared to the national median of $61,963. The median age of people living in Montclair is 34.3 years.
The average high temperature in July is 88.7 degrees, with an average low temperature in January of 41.5 degrees. The annual precipitation is 16.96.