Demographics & People — Onyx, California
Population Overview
| Population (Census) | 574 |
|---|
| Estimated 2026 | ~0 |
|---|
| Median Age | 22.8 |
|---|
| Total Households | 302 |
|---|
| Family Households | 42 |
|---|
| Average Household Size | 1.9 |
|---|
| Diversity Index | 0.5139 (moderately diverse) |
|---|
Race & Ethnicity
| White | 306 |
|---|
| Black or African American | 0 |
|---|
| Asian | 57 |
|---|
| Hispanic or Latino | 111 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 216 |
| Other groups | 142 |
| American | 120 |
| German | 103 |
| Hispanic: Mexican | 99 |
| Hispanic: Hispanic or Latino | 99 |
| Welsh | 50 |
| English | 33 |
| Irish | 14 |
Language
| English Only | 463 |
|---|
| Spanish | 111 |
|---|
| Population 5+ | 574 |
|---|
Veterans
| Veterans | 98 |
|---|
| Population 18+ | 645 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Onyx, California.
