Demographics & People — Monrovia, California
Population Overview
| Population (Census) | 37,553 |
| Estimated 2026 | ~37,600 |
| Median Age | 38.3 |
| Total Households | 14,019 |
| Family Households | 9,102 |
| Average Household Size | 2.66 |
| Diversity Index | 0.6593 (highly diverse) |
Race & Ethnicity
| White | 15,635 |
| Black or African American | 2,341 |
| Asian | 5,899 |
| Hispanic or Latino | 16,187 |
Heritage & Ancestry
| Group | Count |
| Other groups | 23,290 |
| Hispanic: Hispanic or Latino | 16,986 |
| Hispanic: Mexican | 12,788 |
| Unclassified or not reported | 5,239 |
| German | 2,541 |
| Irish | 2,398 |
| Hispanic: Central American | 2,050 |
| English | 1,956 |
| Italian | 1,774 |
| Hispanic: Guatemalan | 1,167 |
Language
| English Only | 20,376 |
| Spanish | 9,929 |
| Population 5+ | 35,236 |
Veterans
| Veterans | 881 |
| Population 18+ | 29,390 |
Commuting
| Mean Commute Time | 30.1 minutes |
| Work from Home | 18.0% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Monrovia, California.