Demographics & People — Setauket, New York
Population Overview
| Population (Census) | 3,687 |
| Estimated 2026 | ~5,100 |
| Median Age | 42.4 |
| Total Households | 1,378 |
| Family Households | 1,071 |
| Average Household Size | 2.66 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 3,101 |
| Black or African American | 77 |
| Asian | 290 |
| Hispanic or Latino | 159 |
Heritage & Ancestry
| Group | Count |
| Irish | 1,023 |
| Italian | 901 |
| German | 554 |
| Other groups | 538 |
| Unclassified or not reported | 529 |
| Ukrainian | 214 |
| English | 206 |
| Hispanic: Hispanic or Latino | 206 |
| Russian | 170 |
| Hispanic: Puerto Rican | 155 |
Language
| English Only | 2,910 |
| Spanish | 112 |
| Population 5+ | 3,449 |
Veterans
| Veterans | 64 |
| Population 18+ | 2,787 |
Commuting
| Mean Commute Time | 25.5 minutes |
| Work from Home | 22.3% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Setauket, New York.