Port Jefferson is a village located in Suffolk County, New York. Port Jefferson has a 2026 population of 8,299. Port Jefferson is currently growing at a rate of 0.67% annually and its population has increased by 4.14% since the most recent census, which recorded a population of 7,969 in 2020.
The median household income in Port Jefferson is $144,912 with a poverty rate of 5.61%. The median age in Port Jefferson is 45 years: 44.9 years for males, and 45.2 years for females. For every 100 females there are 91.7 males.
Data after 2023 is projected based on recent change
Overall: 45 years
Female: 45.2 years
Male: 44.9 years
There are 6,645 adults, (1,899 of whom are seniors) in Port Jefferson.
Female: 4,221 (52.2%)
Male: 3,870 (47.8%)
The racial composition of Port Jefferson includes 81.4% White, 6.38% Asian, 4.05% other race, and smaller percentages for Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 6,586 | 81.4% |
| Two or more races | 611 | 7.55% |
| Asian | 516 | 6.38% |
| Other race | 328 | 4.05% |
| Black or African American | 31 | 0.38% |
| Native American | 19 | 0.23% |
Port Jefferson 's average per capita income is $83,891. Household income levels show a median of $144,912. The poverty rate stands at 5.61%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $230,063 | - |
| Families | $201,992 | $226,726 |
| Households | $144,912 | $186,476 |
| Non Families | $79,985 | $115,614 |
Average Income
Median Household Income
Poverty Rate