Montclair is located in California. Montclair, California has a population of 37,871. Montclair is less family-centric than the surrounding county with 31.62% of the households containing married families with children. The county average for households married with children is 33.94%.
The median household income in Montclair, California is $67,483. The median household income for the surrounding county is $70,287 compared to the national median of $69,021. The median age of people living in Montclair is 32.5 years.
The average high temperature in July is 91.4 degrees, with an average low temperature in January of 42.3 degrees. The average rainfall is approximately 16.8 inches per year, with 0 inches of snow per year.