Demographics & People — Monroe Center, Illinois
Population Overview
| Population (Census) | 415 |
| Estimated 2026 | ~300 |
| Median Age | 40.1 |
| Total Households | 169 |
| Family Households | 122 |
| Average Household Size | 2.46 |
| Diversity Index | 0.0738 (relatively homogeneous) |
Race & Ethnicity
| White | 401 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 16 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 193 |
| German | 124 |
| Irish | 75 |
| English | 35 |
| Swedish | 32 |
| Other groups | 28 |
| Norwegian | 20 |
| Polish | 19 |
| Italian | 17 |
| Finnish | 14 |
Language
| English Only | 392 |
| Spanish | 0 |
| Population 5+ | 394 |
Veterans
| Veterans | 38 |
| Population 18+ | 370 |
Commuting
| Mean Commute Time | 34.5 minutes |
| Work from Home | 7.8% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Monroe Center, Illinois.