Demographics & People — Grand Detour, Illinois
Population Overview
| Population (Census) | 282 |
|---|
| Estimated 2026 | ~300 |
|---|
| Median Age | 51.6 |
|---|
| Total Households | 138 |
|---|
| Family Households | 80 |
|---|
| Average Household Size | 2.04 |
|---|
| Diversity Index | 0.4371 (moderately diverse) |
|---|
Race & Ethnicity
| White | 191 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 91 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 113 |
| Unclassified or not reported | 89 |
| Hispanic: Mexican | 86 |
| Hispanic: Hispanic or Latino | 86 |
| Other groups | 64 |
| American | 41 |
| French (except Basque) | 32 |
| English | 25 |
| Irish | 18 |
| Scottish | 17 |
Language
| English Only | 282 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 282 |
|---|
Veterans
| Veterans | 15 |
|---|
| Population 18+ | 259 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Grand Detour, Illinois.
