Demographics & People — Coal City, Illinois
Population Overview
| Population (Census) | 5,145 |
| Estimated 2026 | ~5,700 |
| Median Age | 44.3 |
| Total Households | 1,936 |
| Family Households | 1,409 |
| Average Household Size | 2.66 |
| Diversity Index | 0.1547 (relatively homogeneous) |
Race & Ethnicity
| White | 4,767 |
| Black or African American | 39 |
| Asian | 11 |
| Hispanic or Latino | 385 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 1,143 |
| German | 1,042 |
| Italian | 901 |
| Irish | 810 |
| Polish | 756 |
| English | 637 |
| Other groups | 509 |
| Norwegian | 365 |
| Hispanic: Hispanic or Latino | 331 |
| Hispanic: Mexican | 314 |
Language
| English Only | 4,667 |
| Spanish | 228 |
| Population 5+ | 4,943 |
Veterans
| Veterans | 303 |
| Population 18+ | 3,947 |
Commuting
| Mean Commute Time | 27.1 minutes |
| Work from Home | 11.7% |
| 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 Coal City, Illinois.