From a total population of 36,530, Montclair has a median age of 31.2. The average age of males, in Montclair, is 30.4 while the average age of females is 32.1. When you compare this to median age of California, Montclair is 4.4 years younger.
The median income of individuals, in Montclair, is $18,601 while the average household income is $54,156. When comparing the median income of people living in Montclair to the rest of California, the average income in Montclair is $11,305 less.