Demographics & People — Lily Lake, Illinois
Population Overview
| Population (Census) | 1,432 |
| Estimated 2026 | ~1,000 |
| Median Age | 46.0 |
| Total Households | 454 |
| Family Households | 411 |
| Average Household Size | 3.15 |
| Diversity Index | 0.0841 (relatively homogeneous) |
Race & Ethnicity
| White | 1,347 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 62 |
Heritage & Ancestry
| Group | Count |
| German | 508 |
| Irish | 265 |
| Polish | 251 |
| Unclassified or not reported | 184 |
| English | 164 |
| Italian | 156 |
| Russian | 124 |
| Other groups | 71 |
| Croatian | 67 |
| Norwegian | 55 |
Language
| English Only | 1,336 |
| Spanish | 24 |
| Population 5+ | 1,387 |
Veterans
| Veterans | 73 |
| Population 18+ | 1,070 |
Commuting
| Mean Commute Time | 31.7 minutes |
| Work from Home | 21.9% |
| 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 Lily Lake, Illinois.