Demographics & People — Dalzell, Illinois
Population Overview
| Population (Census) | 716 |
| Estimated 2026 | ~800 |
| Median Age | 40.3 |
| Total Households | 289 |
| Family Households | 202 |
| Average Household Size | 2.48 |
| Diversity Index | 0.1285 (relatively homogeneous) |
Race & Ethnicity
| White | 661 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 49 |
Heritage & Ancestry
| Group | Count |
| German | 247 |
| Italian | 188 |
| Irish | 155 |
| Polish | 127 |
| Unclassified or not reported | 125 |
| Other groups | 66 |
| English | 43 |
| Hispanic: Hispanic or Latino | 39 |
| Hispanic: Mexican | 34 |
| Swedish | 10 |
Language
| English Only | 635 |
| Spanish | 24 |
| Population 5+ | 659 |
Veterans
| Veterans | 54 |
| Population 18+ | 509 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Dalzell, Illinois.