Demographics & People — Tamaroa, Illinois
Population Overview
| Population (Census) | 562 |
| Estimated 2026 | ~700 |
| Median Age | 45.4 |
| Total Households | 219 |
| Family Households | 98 |
| Average Household Size | 2.57 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 562 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 214 |
| Polish | 153 |
| English | 85 |
| German | 85 |
| Irish | 45 |
| Other groups | 33 |
| American | 27 |
| Italian | 18 |
| Canadian | 7 |
| Norwegian | 4 |
Language
| English Only | 507 |
| Spanish | 0 |
| Population 5+ | 522 |
Veterans
| Veterans | 39 |
| Population 18+ | 472 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Tamaroa, Illinois.