Demographics & People — East Gillespie, Illinois
Population Overview
| Population (Census) | 325 |
| Estimated 2026 | ~500 |
| Median Age | 52.0 |
| Total Households | 134 |
| Family Households | 94 |
| Average Household Size | 2.43 |
| Diversity Index | 0.0745 (relatively homogeneous) |
Race & Ethnicity
| White | 300 |
| Black or African American | 0 |
| Asian | 3 |
| Hispanic or Latino | 9 |
Heritage & Ancestry
| Group | Count |
| American | 64 |
| German | 64 |
| Unclassified or not reported | 56 |
| Italian | 53 |
| Other groups | 33 |
| English | 22 |
| Lithuanian | 12 |
| Croatian | 9 |
| Welsh | 6 |
| French (except Basque) | 6 |
Language
| English Only | 312 |
| Spanish | 1 |
| Population 5+ | 318 |
Veterans
| Veterans | 14 |
| Population 18+ | 248 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for East Gillespie, Illinois.