Demographics & People — Coffeen, Illinois
Population Overview
| Population (Census) | 630 |
| Estimated 2026 | ~500 |
| Median Age | 38.3 |
| Total Households | 271 |
| Family Households | 141 |
| Average Household Size | 2.32 |
| Diversity Index | 0.0186 (relatively homogeneous) |
Race & Ethnicity
| White | 529 |
| Black or African American | 5 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 215 |
| American | 156 |
| Irish | 84 |
| German | 84 |
| English | 67 |
| Other groups | 44 |
| Dutch | 17 |
| Portuguese | 12 |
| Swedish | 10 |
| French (except Basque) | 7 |
Language
| English Only | 611 |
| Spanish | 0 |
| Population 5+ | 613 |
Veterans
| Veterans | 40 |
| Population 18+ | 482 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Coffeen, Illinois.