Montclair is a medium-sized city located in the state of California. With a population of 37,714 people and nine associated neighborhoods, Montclair is the 221st largest community in California.

Housing costs in Montclair are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in California.

One downside of living in Montclair, however, is that residents on average have to contend with a long commute, spending on average 30.88 minutes every day commuting to work.

The percentage of adults in Montclair who are college-educated is close to the national average for all communities of 21.84%: 19.03% of the adults in Montclair have a bachelor's degree or advanced degree.

The per capita income in Montclair in 2018 was $25,244, which is lower middle income relative to California and the nation. This equates to an annual income of $100,976 for a family of four. However, Montclair contains both very wealthy and poor people as well.

Montclair is an extremely ethnically-diverse city. The people who call Montclair home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Montclair, accounting for 71.23% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Montclair residents report their race to be White, followed by Asian. Important ancestries of people in Montclair include German, English, Irish, Italian, and European.

Montclair also has a high percentage of its population that was born in another country: 32.17%.

The most common language spoken in Montclair is Spanish. Other important languages spoken here include English and Vietnamese.