Demographics & People — Belvidere, Illinois
Population Overview
| Population (Census) | 24,510 |
| Estimated 2026 | ~25,300 |
| Median Age | 38.7 |
| Total Households | 9,598 |
| Family Households | 6,100 |
| Average Household Size | 2.53 |
| Diversity Index | 0.5064 (moderately diverse) |
Race & Ethnicity
| White | 15,495 |
| Black or African American | 637 |
| Asian | 371 |
| Hispanic or Latino | 9,087 |
Heritage & Ancestry
| Group | Count |
| Other groups | 9,846 |
| Hispanic: Hispanic or Latino | 9,391 |
| Hispanic: Mexican | 8,774 |
| Unclassified or not reported | 5,493 |
| German | 5,184 |
| Irish | 2,660 |
| Italian | 1,749 |
| Polish | 1,262 |
| English | 1,223 |
| Swedish | 1,126 |
Language
| English Only | 16,674 |
| Spanish | 6,085 |
| Population 5+ | 23,252 |
Veterans
| Veterans | 1,128 |
| Population 18+ | 19,660 |
Commuting
| Mean Commute Time | 24.3 minutes |
| Work from Home | 7.7% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Belvidere, Illinois.