Demographics & People — Thebes, Illinois
Population Overview
| Population (Census) | 363 |
|---|
| Estimated 2026 | ~300 |
|---|
| Median Age | 25.1 |
|---|
| Total Households | 92 |
|---|
| Family Households | 62 |
|---|
| Average Household Size | 3.95 |
|---|
| Diversity Index | 0.0112 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 352 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 2 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 155 |
| English | 151 |
| Unclassified or not reported | 124 |
| Irish | 70 |
| Other groups | 48 |
| American | 22 |
| Scottish | 2 |
| French (except Basque) | 1 |
Language
| English Only | 315 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 315 |
|---|
Veterans
| Veterans | 5 |
|---|
| Population 18+ | 273 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Thebes, Illinois.
