Demographics & People — Bellevue, Illinois
Population Overview
| Population (Census) | 2,158 |
| Estimated 2026 | ~2,000 |
| Median Age | 45.4 |
| Total Households | 900 |
| Family Households | 606 |
| Average Household Size | 2.4 |
| Diversity Index | 0.1019 (relatively homogeneous) |
Race & Ethnicity
| White | 2,016 |
| Black or African American | 49 |
| Asian | 0 |
| Hispanic or Latino | 64 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 901 |
| German | 477 |
| Irish | 352 |
| Other groups | 266 |
| English | 248 |
| American | 217 |
| Czech | 82 |
| Norwegian | 66 |
| Hispanic: Hispanic or Latino | 60 |
| Hispanic: Mexican | 49 |
Language
| English Only | 2,061 |
| Spanish | 28 |
| Population 5+ | 2,089 |
Veterans
| Veterans | 107 |
| Population 18+ | 1,792 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Bellevue, Illinois.