Demographics & People — Winnetka, Illinois
Population Overview
| Population (Census) | 12,508 |
| Estimated 2026 | ~12,400 |
| Median Age | 41.5 |
| Total Households | 4,268 |
| Family Households | 3,535 |
| Average Household Size | 2.93 |
| Diversity Index | 0.0968 (relatively homogeneous) |
Race & Ethnicity
| White | 11,311 |
| Black or African American | 43 |
| Asian | 302 |
| Hispanic or Latino | 253 |
Heritage & Ancestry
| Group | Count |
| Irish | 2,873 |
| German | 2,816 |
| English | 2,476 |
| Unclassified or not reported | 2,304 |
| Other groups | 1,378 |
| Italian | 1,350 |
| Polish | 580 |
| European | 555 |
| Scottish | 504 |
| Swedish | 321 |
Language
| English Only | 10,060 |
| Spanish | 153 |
| Population 5+ | 11,353 |
Veterans
| Veterans | 326 |
| Population 18+ | 8,432 |
Commuting
| Mean Commute Time | 32.6 minutes |
| Work from Home | 29.2% |
| 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 Winnetka, Illinois.