Demographics & People — Cary, Illinois
Population Overview
| Population (Census) | 17,875 |
| Estimated 2026 | ~18,000 |
| Median Age | 39.2 |
| Total Households | 6,342 |
| Family Households | 4,828 |
| Average Household Size | 2.81 |
| Diversity Index | 0.2664 (somewhat diverse) |
Race & Ethnicity
| White | 15,449 |
| Black or African American | 134 |
| Asian | 228 |
| Hispanic or Latino | 2,455 |
Heritage & Ancestry
| Group | Count |
| German | 5,134 |
| Irish | 3,780 |
| Unclassified or not reported | 3,139 |
| Other groups | 3,095 |
| Italian | 2,065 |
| Hispanic: Hispanic or Latino | 2,000 |
| English | 1,882 |
| Polish | 1,665 |
| Hispanic: Mexican | 1,441 |
| Swedish | 579 |
Language
| English Only | 14,975 |
| Spanish | 1,151 |
| Population 5+ | 16,701 |
Veterans
| Veterans | 747 |
| Population 18+ | 13,706 |
Commuting
| Mean Commute Time | 28.4 minutes |
| Work from Home | 18.8% |
| 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 Cary, Illinois.