Demographics & People — Stonington, Illinois
Population Overview
| Population (Census) | 667 |
| Estimated 2026 | ~600 |
| Median Age | 44.4 |
| Total Households | 293 |
| Family Households | 139 |
| Average Household Size | 2.28 |
| Diversity Index | 0.1009 (relatively homogeneous) |
Race & Ethnicity
| White | 614 |
| Black or African American | 2 |
| Asian | 12 |
| Hispanic or Latino | 20 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 294 |
| German | 190 |
| English | 85 |
| Irish | 80 |
| American | 58 |
| Other groups | 45 |
| Scottish | 33 |
| French (except Basque) | 29 |
| Dutch | 20 |
| Scotch-Irish | 20 |
Language
| English Only | 615 |
| Spanish | 15 |
| Population 5+ | 639 |
Veterans
| Veterans | 63 |
| Population 18+ | 633 |
Commuting
| Mean Commute Time | 22.4 minutes |
| Work from Home | 4.8% |
| 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 Stonington, Illinois.