Demographics & People — Placentia, California
Population Overview
| Population (Census) | 52,384 |
| Estimated 2026 | ~53,900 |
| Median Age | 39.1 |
| Total Households | 16,979 |
| Family Households | 13,009 |
| Average Household Size | 3.05 |
| Diversity Index | 0.6385 (highly diverse) |
Race & Ethnicity
| White | 25,601 |
| Black or African American | 1,257 |
| Asian | 9,542 |
| Hispanic or Latino | 18,817 |
Heritage & Ancestry
| Group | Count |
| Other groups | 26,132 |
| Hispanic: Hispanic or Latino | 18,452 |
| Hispanic: Mexican | 15,397 |
| Unclassified or not reported | 9,790 |
| German | 4,919 |
| Irish | 3,758 |
| English | 3,031 |
| Italian | 2,203 |
| American | 2,031 |
| Hispanic: South American | 1,447 |
Language
| English Only | 30,327 |
| Spanish | 10,706 |
| Population 5+ | 49,620 |
Veterans
| Veterans | 1,531 |
| Population 18+ | 39,484 |
Commuting
| Mean Commute Time | 26.6 minutes |
| Work from Home | 15.4% |
| 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 Placentia, California.