Demographics & People — Oak Forest, Illinois
Population Overview
| Population (Census) | 26,888 |
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| Estimated 2026 | ~26,600 |
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| Median Age | 40.5 |
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| Total Households | 10,357 |
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| Family Households | 7,265 |
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| Average Household Size | 2.59 |
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| Diversity Index | 0.4906 (moderately diverse) |
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Race & Ethnicity
| White | 18,487 |
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| Black or African American | 2,111 |
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| Asian | 1,595 |
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| Hispanic or Latino | 4,835 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 6,863 |
| Irish | 6,063 |
| Unclassified or not reported | 5,542 |
| German | 4,745 |
| Hispanic: Hispanic or Latino | 4,000 |
| Polish | 3,996 |
| Hispanic: Mexican | 3,305 |
| Italian | 2,351 |
| English | 998 |
| Dutch | 683 |
Language
| English Only | 19,921 |
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| Spanish | 3,073 |
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| Population 5+ | 25,689 |
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Veterans
| Veterans | 1,111 |
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| Population 18+ | 21,227 |
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Commuting
| Mean Commute Time | 31.8 minutes |
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| Work from Home | 10.5% |
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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 Oak Forest, Illinois.
