Demographics & People — Smithton, Illinois
Population Overview
| Population (Census) | 3,512 |
| Estimated 2026 | ~4,100 |
| Median Age | 45.6 |
| Total Households | 1,404 |
| Family Households | 1,065 |
| Average Household Size | 2.46 |
| Diversity Index | 0.0552 (relatively homogeneous) |
Race & Ethnicity
| White | 3,413 |
| Black or African American | 42 |
| Asian | 0 |
| Hispanic or Latino | 57 |
Heritage & Ancestry
| Group | Count |
| German | 1,741 |
| Unclassified or not reported | 1,013 |
| Irish | 566 |
| Other groups | 252 |
| French (except Basque) | 241 |
| American | 207 |
| Italian | 173 |
| English | 166 |
| Lithuanian | 140 |
| European | 119 |
Language
| English Only | 3,300 |
| Spanish | 0 |
| Population 5+ | 3,392 |
Veterans
| Veterans | 351 |
| Population 18+ | 3,005 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Smithton, Illinois.