Demographics & People — Burlington, Illinois
Population Overview
| Population (Census) | 479 |
| Estimated 2026 | ~300 |
| Median Age | 39.8 |
| Total Households | 197 |
| Family Households | 133 |
| Average Household Size | 2.43 |
| Diversity Index | 0.1244 (relatively homogeneous) |
Race & Ethnicity
| White | 462 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 33 |
Heritage & Ancestry
| Group | Count |
| German | 175 |
| Irish | 75 |
| Unclassified or not reported | 71 |
| Polish | 54 |
| Hispanic: Hispanic or Latino | 52 |
| Hispanic: Mexican | 47 |
| Other groups | 46 |
| English | 45 |
| Welsh | 31 |
| Norwegian | 21 |
Language
| English Only | 431 |
| Spanish | 3 |
| Population 5+ | 434 |
Veterans
| Veterans | 35 |
| Population 18+ | 316 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Burlington, Illinois.