Demographics & People — Modesto, Illinois
Population Overview
| Population (Census) | 171 |
| Estimated 2026 | ~100 |
| Median Age | 48.9 |
| Total Households | 75 |
| Family Households | 39 |
| Average Household Size | 2.28 |
| Diversity Index | 0.0116 (relatively homogeneous) |
Race & Ethnicity
| White | 170 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 1 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 63 |
| German | 40 |
| English | 36 |
| Irish | 30 |
| American | 20 |
| Italian | 10 |
| Polish | 4 |
| Swedish | 2 |
| French (except Basque) | 2 |
| Scottish | 2 |
Language
| English Only | 162 |
| Spanish | 0 |
| Population 5+ | 165 |
Veterans
| Veterans | 11 |
| Population 18+ | 145 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Modesto, Illinois.