Demographics & People — Willowbrook, Illinois
Population Overview
| Population (Census) | 9,138 |
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| Estimated 2026 | ~9,100 |
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| Median Age | 45.0 |
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| Total Households | 3,910 |
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| Family Households | 2,510 |
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| Average Household Size | 2.3 |
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| Diversity Index | 0.4725 (moderately diverse) |
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Race & Ethnicity
| White | 6,268 |
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| Black or African American | 345 |
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| Asian | 1,654 |
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| Hispanic or Latino | 727 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 2,365 |
| Unclassified or not reported | 1,608 |
| Polish | 1,106 |
| German | 986 |
| Irish | 956 |
| Italian | 786 |
| Hispanic: Hispanic or Latino | 663 |
| Hispanic: Mexican | 491 |
| American | 431 |
| English | 317 |
Language
| English Only | 5,245 |
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| Spanish | 685 |
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| Population 5+ | 8,646 |
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Veterans
| Veterans | 439 |
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| Population 18+ | 7,699 |
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Commuting
| Mean Commute Time | 26.8 minutes |
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| Work from Home | 11.7% |
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| Commuter Profile | N/A |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Willowbrook, Illinois.
