Demographics & People — Donovan, Illinois
Population Overview
| Population (Census) | 254 |
| Estimated 2026 | ~400 |
| Median Age | 40.9 |
| Total Households | 76 |
| Family Households | 46 |
| Average Household Size | 3.34 |
| Diversity Index | 0.0172 (relatively homogeneous) |
Race & Ethnicity
| White | 228 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 2 |
Heritage & Ancestry
| Group | Count |
| German | 73 |
| Unclassified or not reported | 69 |
| Other groups | 69 |
| American | 38 |
| Irish | 34 |
| French Canadian | 30 |
| Hispanic: Hispanic or Latino | 26 |
| French (except Basque) | 25 |
| Hispanic: Mexican | 22 |
| Dutch | 15 |
Language
| English Only | 239 |
| Spanish | 2 |
| Population 5+ | 241 |
Veterans
| Veterans | 9 |
| Population 18+ | 211 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Donovan, Illinois.