Demographics & People — Islip, New York
Population Overview
| Population (Census) | 17,224 |
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| Estimated 2026 | ~17,700 |
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| Median Age | 43.9 |
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| Total Households | 6,091 |
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| Family Households | 4,328 |
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| Average Household Size | 2.82 |
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| Diversity Index | N/A (N/A) |
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Race & Ethnicity
| White | 12,697 |
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| Black or African American | 623 |
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| Asian | 909 |
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| Hispanic or Latino | 3,350 |
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Heritage & Ancestry
| Group | Count |
|---|
| Italian | 4,423 |
| Unclassified or not reported | 4,292 |
| Other groups | 4,018 |
| Irish | 3,815 |
| Hispanic: Hispanic or Latino | 2,767 |
| German | 1,854 |
| Hispanic: Puerto Rican | 1,108 |
| English | 947 |
| American | 658 |
| Hispanic: South American | 633 |
Language
| English Only | 13,518 |
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| Spanish | 1,966 |
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| Population 5+ | 16,275 |
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Veterans
| Veterans | 575 |
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| Population 18+ | 14,105 |
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Commuting
| Mean Commute Time | 27.9 minutes |
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| Work from Home | 10.2% |
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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 Islip, New York.
