Demographics & People — Palmyra, Illinois
Population Overview
| Population (Census) | 524 |
| Estimated 2026 | ~400 |
| Median Age | 53.4 |
| Total Households | 245 |
| Family Households | 144 |
| Average Household Size | 2.14 |
| Diversity Index | 0.0077 (relatively homogeneous) |
Race & Ethnicity
| White | 515 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 2 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 194 |
| German | 102 |
| Irish | 82 |
| English | 77 |
| Other groups | 58 |
| American | 38 |
| Polish | 20 |
| Italian | 12 |
| French (except Basque) | 12 |
| Scottish | 9 |
Language
| English Only | 512 |
| Spanish | 2 |
| Population 5+ | 514 |
Veterans
| Veterans | 22 |
| Population 18+ | 446 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Palmyra, Illinois.