Demographics & People — Hillsdale, Illinois
Population Overview
| Population (Census) | 489 |
|---|
| Estimated 2026 | ~400 |
|---|
| Median Age | 45.4 |
|---|
| Total Households | 175 |
|---|
| Family Households | 127 |
|---|
| Average Household Size | 2.79 |
|---|
| Diversity Index | 0.1762 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 447 |
|---|
| Black or African American | 3 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 45 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 206 |
| Irish | 113 |
| German | 111 |
| Other groups | 63 |
| Hispanic: Mexican | 51 |
| Hispanic: Hispanic or Latino | 51 |
| French (except Basque) | 38 |
| American | 29 |
| Belgian | 26 |
| English | 24 |
Language
| English Only | 439 |
|---|
| Spanish | 9 |
|---|
| Population 5+ | 448 |
|---|
Veterans
| Veterans | 20 |
|---|
| Population 18+ | 415 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Hillsdale, Illinois.
