Demographics & People — Mattituck, New York
Population Overview
| Population (Census) | 4,204 |
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| Estimated 2026 | ~5,700 |
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| Median Age | 49.0 |
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| Total Households | 1,833 |
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| Family Households | 1,382 |
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| Average Household Size | 2.29 |
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| Diversity Index | N/A (N/A) |
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Race & Ethnicity
| White | 3,996 |
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| Black or African American | 28 |
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| Asian | 41 |
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| Hispanic or Latino | 223 |
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Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 1,274 |
| German | 1,255 |
| Irish | 790 |
| Polish | 772 |
| Italian | 696 |
| Hispanic: Hispanic or Latino | 546 |
| American | 411 |
| Hispanic: Peruvian | 309 |
| Hispanic: South American | 309 |
| Maltese | 297 |
Language
| English Only | 3,743 |
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| Spanish | 121 |
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| Population 5+ | 4,148 |
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Veterans
| Veterans | 291 |
|---|
| Population 18+ | 3,976 |
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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 Mattituck, New York.
