Demographics & People — Tinley Park, Illinois
Population Overview
| Population (Census) | 55,007 |
| Estimated 2026 | ~54,500 |
| Median Age | 43.2 |
| Total Households | 22,058 |
| Family Households | 14,901 |
| Average Household Size | 2.49 |
| Diversity Index | 0.3569 (somewhat diverse) |
Race & Ethnicity
| White | 43,593 |
| Black or African American | 3,692 |
| Asian | 1,997 |
| Hispanic or Latino | 5,808 |
Heritage & Ancestry
| Group | Count |
| Irish | 11,995 |
| Other groups | 11,201 |
| German | 9,560 |
| Unclassified or not reported | 9,195 |
| Polish | 9,023 |
| Hispanic: Hispanic or Latino | 6,544 |
| Italian | 5,700 |
| Hispanic: Mexican | 4,749 |
| English | 2,079 |
| Swedish | 1,976 |
Language
| English Only | 44,115 |
| Spanish | 2,306 |
| Population 5+ | 52,251 |
Veterans
| Veterans | 2,410 |
| Population 18+ | 44,063 |
Commuting
| Mean Commute Time | 33.7 minutes |
| Work from Home | 12.3% |
| 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 Tinley Park, Illinois.