Demographics & People — Mount Morris, Illinois
Population Overview
| Population (Census) | 2,679 |
| Estimated 2026 | ~2,800 |
| Median Age | 51.8 |
| Total Households | 1,341 |
| Family Households | 577 |
| Average Household Size | 1.91 |
| Diversity Index | 0.0986 (relatively homogeneous) |
Race & Ethnicity
| White | 2,592 |
| Black or African American | 55 |
| Asian | 7 |
| Hispanic or Latino | 78 |
Heritage & Ancestry
| Group | Count |
| German | 1,066 |
| Irish | 544 |
| Unclassified or not reported | 509 |
| Other groups | 404 |
| Norwegian | 369 |
| Italian | 304 |
| Polish | 158 |
| Swedish | 105 |
| Hispanic: Hispanic or Latino | 100 |
| American | 99 |
Language
| English Only | 2,197 |
| Spanish | 0 |
| Population 5+ | 2,328 |
Veterans
| Veterans | 261 |
| Population 18+ | 2,129 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mount Morris, Illinois.