Demographics & People — Joliet, Illinois
Population Overview
| Population (Census) | 149,785 |
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| Estimated 2026 | ~152,000 |
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| Median Age | 35.8 |
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| Total Households | 50,648 |
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| Family Households | 35,453 |
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| Average Household Size | 2.9 |
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| Diversity Index | 0.6231 (highly diverse) |
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Race & Ethnicity
| White | 78,944 |
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| Black or African American | 25,428 |
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| Asian | 3,161 |
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| Hispanic or Latino | 51,970 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 63,363 |
| Hispanic: Hispanic or Latino | 50,388 |
| Hispanic: Mexican | 44,196 |
| Unclassified or not reported | 32,450 |
| German | 19,560 |
| Irish | 14,194 |
| Polish | 11,763 |
| Italian | 9,375 |
| English | 5,931 |
| Subsaharan African | 4,746 |
Language
| English Only | 99,449 |
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| Spanish | 35,429 |
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| Population 5+ | 140,650 |
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Veterans
| Veterans | 5,236 |
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| Population 18+ | 110,324 |
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Commuting
| Mean Commute Time | 28.8 minutes |
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| Work from Home | 8.8% |
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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 Joliet, Illinois.
