Montclair is a city in the Pomona Valley, in southwestern San Bernardino County, California. The population was 36,664 in the 2010 United States Census.DescriptionMontclair is bordered by Pomona to the west, Claremont and Upland to the north, Ontario to the east, and Chino to the south. Montclair is in the Pomona Valley and part of the Inland Empire region.The San Bernardino Freeway (I-10) runs through the northern part of the city.Demographics2010The 2010 United States Census reported that Montclair had a population of 36,664. The population density was 6,645.4 people per square mile (2,565.8/km²). 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%).
