Demographics & People — Energy, Illinois
Population Overview
| Population (Census) | 1,171 |
| Estimated 2026 | ~800 |
| Median Age | 48.5 |
| Total Households | 505 |
| Family Households | 324 |
| Average Household Size | 2.26 |
| Diversity Index | 0.0531 (relatively homogeneous) |
Race & Ethnicity
| White | 966 |
| Black or African American | 0 |
| Asian | 4 |
| Hispanic or Latino | 23 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 565 |
| Other groups | 151 |
| German | 145 |
| Irish | 111 |
| Italian | 104 |
| English | 103 |
| American | 96 |
| Polish | 45 |
| Hispanic: Hispanic or Latino | 41 |
| Hispanic: Mexican | 37 |
Language
| English Only | 1,083 |
| Spanish | 15 |
| Population 5+ | 1,102 |
Veterans
| Veterans | 40 |
| Population 18+ | 909 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Energy, Illinois.