Demographics & People — Sibley, Illinois
Population Overview
| Population (Census) | 218 |
| Estimated 2026 | ~500 |
| Median Age | 49.9 |
| Total Households | 101 |
| Family Households | 61 |
| Average Household Size | 2.16 |
| Diversity Index | 0.1723 (relatively homogeneous) |
Race & Ethnicity
| White | 190 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 20 |
Heritage & Ancestry
| Group | Count |
| German | 93 |
| Unclassified or not reported | 57 |
| Irish | 43 |
| English | 23 |
| American | 14 |
| European | 13 |
| Swedish | 8 |
| Norwegian | 8 |
| Hispanic: Hispanic or Latino | 7 |
| Other groups | 5 |
Language
| English Only | 196 |
| Spanish | 13 |
| Population 5+ | 209 |
Veterans
| Veterans | 11 |
| Population 18+ | 175 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sibley, Illinois.