Demographics & People — Clayton, Illinois
Population Overview
| Population (Census) | 597 |
|---|
| Estimated 2026 | ~600 |
|---|
| Median Age | 49.2 |
|---|
| Total Households | 267 |
|---|
| Family Households | 166 |
|---|
| Average Household Size | 1.95 |
|---|
| Diversity Index | 0.2101 (somewhat diverse) |
|---|
Race & Ethnicity
| White | 525 |
|---|
| Black or African American | 63 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 7 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 236 |
| German | 113 |
| Irish | 89 |
| English | 60 |
| Other groups | 57 |
| American | 43 |
| French (except Basque) | 13 |
| European | 10 |
| Norwegian | 9 |
| Italian | 5 |
Language
| English Only | 588 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 588 |
|---|
Veterans
| Veterans | 59 |
|---|
| Population 18+ | 502 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Clayton, Illinois.
