Demographics & People — Sidney, Illinois
Population Overview
| Population (Census) | 849 |
|---|
| Estimated 2026 | ~1,200 |
|---|
| Median Age | 39.6 |
|---|
| Total Households | 353 |
|---|
| Family Households | 234 |
|---|
| Average Household Size | 2.41 |
|---|
| Diversity Index | 0.0619 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 824 |
|---|
| Black or African American | 6 |
|---|
| Asian | 2 |
|---|
| Hispanic or Latino | 19 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 334 |
| German | 319 |
| Irish | 143 |
| English | 90 |
| Other groups | 69 |
| European | 46 |
| American | 45 |
| Polish | 34 |
| Scottish | 32 |
| French (except Basque) | 25 |
Language
| English Only | 793 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 793 |
|---|
Veterans
| Veterans | 78 |
|---|
| Population 18+ | 742 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sidney, Illinois.
