Demographics & People — Central Islip, New York
Population Overview
| Population (Census) | 37,751 |
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| Estimated 2026 | ~39,900 |
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| Median Age | 34.6 |
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| Total Households | 9,713 |
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| Family Households | 6,985 |
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| Average Household Size | 3.86 |
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| Diversity Index | N/A (N/A) |
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Race & Ethnicity
| White | 10,741 |
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| Black or African American | 7,232 |
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| Asian | 704 |
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| Hispanic or Latino | 23,304 |
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Heritage & Ancestry
| Group | Count |
|---|
| Hispanic: Hispanic or Latino | 21,779 |
| Other groups | 20,832 |
| Hispanic: Central American | 12,145 |
| Hispanic: Salvadoran | 9,506 |
| Unclassified or not reported | 7,819 |
| Hispanic: Puerto Rican | 3,156 |
| Hispanic: South American | 2,697 |
| West Indian (except Hispanic groups) | 2,062 |
| Italian | 1,845 |
| Hispanic: Dominican (Dominican Republic) | 1,791 |
Language
| English Only | 13,972 |
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| Spanish | 19,319 |
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| Population 5+ | 35,290 |
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Veterans
| Veterans | 700 |
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| Population 18+ | 27,643 |
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Commuting
| Mean Commute Time | 27.3 minutes |
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| Work from Home | 6.7% |
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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 Central Islip, New York.
