Demographics & People — Leonore, Illinois
Population Overview
| Population (Census) | 143 |
| Estimated 2026 | ~0 |
| Median Age | 39.1 |
| Total Households | 62 |
| Family Households | 39 |
| Average Household Size | 2.31 |
| Diversity Index | 0.0142 (relatively homogeneous) |
Race & Ethnicity
| White | 139 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 1 |
Heritage & Ancestry
| Group | Count |
| German | 44 |
| Unclassified or not reported | 32 |
| Irish | 26 |
| Slavic | 13 |
| Swedish | 11 |
| Danish | 9 |
| Italian | 9 |
| American | 7 |
| English | 7 |
| Polish | 7 |
Language
| English Only | 132 |
| Spanish | 0 |
| Population 5+ | 136 |
Veterans
| Veterans | 19 |
| Population 18+ | 104 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Leonore, Illinois.