Demographics & People — Dover, Illinois
Population Overview
| Population (Census) | 122 |
| Estimated 2026 | ~200 |
| Median Age | 58.8 |
| Total Households | 69 |
| Family Households | 43 |
| Average Household Size | 1.77 |
| Diversity Index | 0.05 (relatively homogeneous) |
Race & Ethnicity
| White | 114 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 3 |
Heritage & Ancestry
| Group | Count |
| German | 28 |
| English | 24 |
| Unclassified or not reported | 23 |
| Swedish | 21 |
| Irish | 17 |
| Other groups | 9 |
| American | 7 |
| Italian | 5 |
| Norwegian | 3 |
| Hispanic: Hispanic or Latino | 3 |
Language
| English Only | 116 |
| Spanish | 0 |
| Population 5+ | 117 |
Veterans
| Veterans | 18 |
| Population 18+ | 97 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Dover, Illinois.