Demographics & People — Wilmette, Illinois
Population Overview
| Population (Census) | 27,550 |
| Estimated 2026 | ~27,400 |
| Median Age | 45.3 |
| Total Households | 10,280 |
| Family Households | 7,589 |
| Average Household Size | 2.67 |
| Diversity Index | 0.3094 (somewhat diverse) |
Race & Ethnicity
| White | 22,046 |
| Black or African American | 173 |
| Asian | 3,276 |
| Hispanic or Latino | 1,378 |
Heritage & Ancestry
| Group | Count |
| Other groups | 5,460 |
| German | 5,273 |
| Irish | 4,976 |
| Unclassified or not reported | 4,066 |
| English | 3,193 |
| Polish | 1,982 |
| Italian | 1,633 |
| American | 1,434 |
| Russian | 1,179 |
| European | 1,151 |
Language
| English Only | 20,893 |
| Spanish | 797 |
| Population 5+ | 25,973 |
Veterans
| Veterans | 523 |
| Population 18+ | 19,621 |
Commuting
| Mean Commute Time | 34.6 minutes |
| Work from Home | 36.1% |
| 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 Wilmette, Illinois.