Demographics & People — New Lenox, Illinois
Population Overview
| Population (Census) | 27,456 |
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| Estimated 2026 | ~29,300 |
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| Median Age | 36.8 |
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| Total Households | 9,142 |
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| Family Households | 7,407 |
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| Average Household Size | 2.99 |
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| Diversity Index | 0.1231 (relatively homogeneous) |
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Race & Ethnicity
| White | 25,040 |
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| Black or African American | 95 |
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| Asian | 203 |
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| Hispanic or Latino | 1,448 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 7,777 |
| Irish | 6,625 |
| Polish | 5,241 |
| Unclassified or not reported | 4,687 |
| Italian | 3,862 |
| English | 2,208 |
| Other groups | 2,202 |
| Hispanic: Hispanic or Latino | 1,374 |
| Hispanic: Mexican | 1,069 |
| Dutch | 870 |
Language
| English Only | 24,340 |
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| Spanish | 303 |
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| Population 5+ | 25,162 |
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Veterans
| Veterans | 1,078 |
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| Population 18+ | 19,495 |
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Commuting
| Mean Commute Time | 32.7 minutes |
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| Work from Home | 15.3% |
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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 New Lenox, Illinois.
