Demographics & People — Olympia Fields, Illinois
Population Overview
| Population (Census) | 4,636 |
| Estimated 2026 | ~5,000 |
| Median Age | 46.6 |
| Total Households | 1,814 |
| Family Households | 1,128 |
| Average Household Size | 2.5 |
| Diversity Index | 0.3385 (somewhat diverse) |
Race & Ethnicity
| White | 866 |
| Black or African American | 3,609 |
| Asian | 69 |
| Hispanic or Latino | 20 |
Heritage & Ancestry
| Group | Count |
| Other groups | 3,188 |
| Unclassified or not reported | 896 |
| German | 223 |
| Irish | 200 |
| English | 155 |
| Subsaharan African | 135 |
| American | 132 |
| African | 88 |
| West Indian (except Hispanic groups) | 68 |
| Haitian | 68 |
Language
| English Only | 4,085 |
| Spanish | 73 |
| Population 5+ | 4,376 |
Veterans
| Veterans | 272 |
| Population 18+ | 3,878 |
Commuting
| Mean Commute Time | 42.8 minutes |
| Work from Home | 20.7% |
| 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 Olympia Fields, Illinois.