Demographics & People — Kenilworth, Illinois
Population Overview
| Population (Census) | 2,543 |
| Estimated 2026 | ~2,400 |
| Median Age | 40.9 |
| Total Households | 776 |
| Family Households | 677 |
| Average Household Size | 3.28 |
| Diversity Index | 0.1383 (relatively homogeneous) |
Race & Ethnicity
| White | 2,170 |
| Black or African American | 0 |
| Asian | 51 |
| Hispanic or Latino | 121 |
Heritage & Ancestry
| Group | Count |
| German | 701 |
| Irish | 544 |
| Unclassified or not reported | 533 |
| English | 430 |
| Other groups | 229 |
| Italian | 206 |
| Polish | 164 |
| Hispanic: Hispanic or Latino | 129 |
| American | 66 |
| Swedish | 63 |
Language
| English Only | 2,124 |
| Spanish | 80 |
| Population 5+ | 2,376 |
Veterans
| Veterans | 45 |
| Population 18+ | 1,621 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Kenilworth, Illinois.