| Place Name | Montclair |
| Place Type | City |
| ZIP Code(s) | 91763 |
| County | San Bernardino County |
| Area Code(s) | 909 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 36,960 |
| Population Growth Rate (2010-19) | 3.28% |
| Majority Ethnicity | Hispanic 1.2% |
| Metro/Micro Stats Area | Riverside-San Bernardino-Ontario, CA |
| US Congressional District(s) | California 35th |
| State Assembly Districts | 52 |
| State Senate Districts | 20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 33.35% |
| African American | 3.59% |
| Hispanic | 1.2% |
| Asian | 7.35% |
| Native American | 0.13% |
| Hawaiin/Pacific Islander | 54.38% |