Demographics & People — Milan, Illinois
Population Overview
| Population (Census) | 5,037 |
| Estimated 2026 | ~5,000 |
| Median Age | 36.0 |
| Total Households | 2,470 |
| Family Households | 1,315 |
| Average Household Size | 2.03 |
| Diversity Index | 0.2207 (somewhat diverse) |
Race & Ethnicity
| White | 4,429 |
| Black or African American | 100 |
| Asian | 46 |
| Hispanic or Latino | 472 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 2,199 |
| Other groups | 858 |
| German | 705 |
| Irish | 482 |
| English | 452 |
| Hispanic: Hispanic or Latino | 395 |
| Hispanic: Mexican | 289 |
| American | 204 |
| Swedish | 194 |
| European | 186 |
Language
| English Only | 4,258 |
| Spanish | 143 |
| Population 5+ | 4,463 |
Veterans
| Veterans | 394 |
| Population 18+ | 4,007 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Milan, Illinois.