2010 At the 2010 census Montclair had a population of 36,664. The population density was . The racial makeup of Montclair was 19,337 (52.7%) White (14.4% Non-Hispanic White), 1,908 (5.2%) African American, 434 (1.2%) Native American, 3,425 (9.3%) Asian, 74 (0.2%) Pacific Islander, 9,882 (27.0%) from other races, and 1,604 (4.4%) from two or more races. Hispanic or Latino of any race were 25,744 persons (70.2%).
2010 At the 2010 census Montclair had a population of 36,664. The population density was . The racial makeup of Montclair was 19,337 (52.7%) White (14.4% Non-Hispanic White), 1,908 (5.2%) African American, 434 (1.2%) Native American 3,425 (9.3%) Asian, 74 (0.2%) Pacific Islander, 9,882 (27.0%) from other races, and 1,604 (4.4%) from two or more races. Hispanic or Latino of any race were 25,744 persons (70.2%).