Demographics & People — Port Jefferson, New York
Population Overview
| Population (Census) | 8,029 |
| Estimated 2026 | ~8,200 |
| Median Age | 45.0 |
| Total Households | 3,194 |
| Family Households | 1,880 |
| Average Household Size | 2.44 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 6,593 |
| Black or African American | 50 |
| Asian | 555 |
| Hispanic or Latino | 798 |
Heritage & Ancestry
| Group | Count |
| Irish | 1,656 |
| Italian | 1,635 |
| Unclassified or not reported | 1,478 |
| Other groups | 1,316 |
| German | 1,174 |
| Hispanic: Hispanic or Latino | 824 |
| English | 582 |
| Polish | 498 |
| American | 467 |
| Russian | 286 |
Language
| English Only | 6,207 |
| Spanish | 652 |
| Population 5+ | 7,706 |
Veterans
| Veterans | 220 |
| Population 18+ | 6,464 |
Commuting
| Mean Commute Time | 30.2 minutes |
| Work from Home | 15.7% |
| 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 Port Jefferson, New York.