Demographics & People — Lake Barrington, Illinois
Population Overview
| Population (Census) | 5,400 |
| Estimated 2026 | ~5,500 |
| Median Age | 54.9 |
| Total Households | 2,312 |
| Family Households | 1,478 |
| Average Household Size | 2.31 |
| Diversity Index | 0.1541 (relatively homogeneous) |
Race & Ethnicity
| White | 4,760 |
| Black or African American | 0 |
| Asian | 311 |
| Hispanic or Latino | 117 |
Heritage & Ancestry
| Group | Count |
| German | 1,200 |
| Unclassified or not reported | 986 |
| Irish | 969 |
| Polish | 769 |
| Other groups | 760 |
| Italian | 563 |
| English | 311 |
| Scottish | 210 |
| Norwegian | 199 |
| Ukrainian | 179 |
Language
| English Only | 4,447 |
| Spanish | 84 |
| Population 5+ | 5,114 |
Veterans
| Veterans | 262 |
| Population 18+ | 4,524 |
Commuting
| Mean Commute Time | 33.2 minutes |
| Work from Home | 22.3% |
| 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 Lake Barrington, Illinois.