Demographics & People — Ellis Grove, Illinois
Population Overview
| Population (Census) | 330 |
| Estimated 2026 | ~400 |
| Median Age | 39.4 |
| Total Households | 132 |
| Family Households | 87 |
| Average Household Size | 2.5 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 313 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 135 |
| German | 100 |
| Irish | 38 |
| English | 37 |
| French (except Basque) | 14 |
| American | 12 |
| Scotch-Irish | 11 |
| Other groups | 11 |
| Polish | 9 |
| Scottish | 4 |
Language
| English Only | 310 |
| Spanish | 2 |
| Population 5+ | 312 |
Veterans
| Veterans | 21 |
| Population 18+ | 204 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Ellis Grove, Illinois.