Demographics & People — Windsor, Illinois
Population Overview
| Population (Census) | 753 |
| Estimated 2026 | ~500 |
| Median Age | 54.6 |
| Total Households | N/A |
| Family Households | N/A |
| Average Household Size | N/A |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | N/A |
| Black or African American | N/A |
| Asian | N/A |
| Hispanic or Latino | N/A |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 273 |
| German | 142 |
| Other groups | 121 |
| Swedish | 114 |
| Irish | 109 |
| English | 84 |
| Belgian | 51 |
| Italian | 35 |
| American | 21 |
| Czech | 15 |
Language
| English Only | 715 |
| Spanish | 0 |
| Population 5+ | 718 |
Veterans
| Veterans | 25 |
| Population 18+ | 678 |
Source: Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Windsor, Illinois.