Demographics & People — Salem, Illinois
Population Overview
| Population (Census) | 7,341 |
| Estimated 2026 | ~7,000 |
| Median Age | 39.1 |
| Total Households | 3,080 |
| Family Households | 1,839 |
| Average Household Size | 2.31 |
| Diversity Index | 0.1063 (relatively homogeneous) |
Race & Ethnicity
| White | 6,609 |
| Black or African American | 306 |
| Asian | 66 |
| Hispanic or Latino | 18 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 2,633 |
| German | 1,471 |
| Other groups | 1,354 |
| Irish | 721 |
| English | 682 |
| American | 649 |
| European | 221 |
| Polish | 158 |
| Scotch-Irish | 115 |
| Dutch | 110 |
Language
| English Only | 6,819 |
| Spanish | 15 |
| Population 5+ | 6,861 |
Veterans
| Veterans | 266 |
| Population 18+ | 5,475 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Salem, Illinois.