Demographics & People — Bonnie Brae, Illinois
Population Overview
| Population (Census) | 844 |
| Estimated 2026 | ~800 |
| Median Age | 36.8 |
| Total Households | 351 |
| Family Households | 215 |
| Average Household Size | 2.4 |
| Diversity Index | 0.1391 (relatively homogeneous) |
Race & Ethnicity
| White | 738 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 60 |
Heritage & Ancestry
| Group | Count |
| German | 375 |
| Irish | 288 |
| Unclassified or not reported | 229 |
| Other groups | 192 |
| Polish | 183 |
| Italian | 86 |
| English | 77 |
| Swedish | 65 |
| Czech | 55 |
| Welsh | 37 |
Language
| English Only | 740 |
| Spanish | 35 |
| Population 5+ | 818 |
Veterans
| Veterans | 68 |
| Population 18+ | 821 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Bonnie Brae, Illinois.