Demographics & People — Warrenville, Illinois
Population Overview
| Population (Census) | 14,232 |
| Estimated 2026 | ~15,900 |
| Median Age | 36.5 |
| Total Households | 5,483 |
| Family Households | 3,408 |
| Average Household Size | 2.58 |
| Diversity Index | 0.51 (moderately diverse) |
Race & Ethnicity
| White | 9,714 |
| Black or African American | 799 |
| Asian | 922 |
| Hispanic or Latino | 3,344 |
Heritage & Ancestry
| Group | Count |
| Other groups | 3,782 |
| German | 2,994 |
| Hispanic: Hispanic or Latino | 2,966 |
| Unclassified or not reported | 2,530 |
| Hispanic: Mexican | 2,266 |
| Irish | 1,595 |
| Polish | 1,142 |
| English | 1,000 |
| Italian | 859 |
| European | 561 |
Language
| English Only | 9,662 |
| Spanish | 2,628 |
| Population 5+ | 13,531 |
Veterans
| Veterans | 633 |
| Population 18+ | 10,949 |
Commuting
| Mean Commute Time | 27.4 minutes |
| Work from Home | 16.2% |
| 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 Warrenville, Illinois.