Demographics & People — Coulterville, Illinois
Population Overview
| Population (Census) | 770 |
| Estimated 2026 | ~900 |
| Median Age | 48.2 |
| Total Households | 304 |
| Family Households | 194 |
| Average Household Size | 2.29 |
| Diversity Index | 0.0912 (relatively homogeneous) |
Race & Ethnicity
| White | 728 |
| Black or African American | 10 |
| Asian | 8 |
| Hispanic or Latino | 18 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 289 |
| German | 215 |
| Irish | 144 |
| Other groups | 139 |
| English | 36 |
| Italian | 35 |
| Arab | 34 |
| Lebanese | 34 |
| French (except Basque) | 21 |
| American | 15 |
Language
| English Only | 714 |
| Spanish | 16 |
| Population 5+ | 751 |
Veterans
| Veterans | 65 |
| Population 18+ | 597 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Coulterville, Illinois.