Port Jefferson Station

As of the 2010 census, Port Jefferson Station had a population of 7,838. Among them, 5,598 individuals (76.5%) identified as White, 183 (2.3%) as Black, 416 (5.3%) as Asian, 7 (0.1%) as Native American, 3 (0.04%) as Native Hawaiian or Pacific Islander, 7 (0.1%) as belonging to some other race, and 66 (0.8%) as two or more races. Additionally, 1,158 people (14.8%) identified as Hispanic or Latino of any race.

In terms of households, there were 2,812 households according to the 2010 census. Among these households, 34.3% had children under the age of 18 living with them, 52.8% were headed by married couples living together, 11.5% were headed by a female householder with no husband present, and 30.9% were non-families. Moreover, 23.3% of all households consisted of individuals, and 9.5% were individuals aged 65 years or older living alone. The average household size was 2.75, and the average family size was 3.21.

Regarding age distribution, 21.9% of the population was under the age of 18, 9.5% were aged 18 to 24, 27.6% were aged 25 to 44, 26.9% were aged 45 to 64, and 14.1% were 65 years of age or older. The median age was 39.2 years. For every 100 females, there were 95.7 males. For every 100 females age 18 and over, there were 94.7 males.

In terms of income, for the period 2007–11, the median annual income for a household in Port Jefferson Station was $61,218, and the median income for a family was $73,854. Males had a median income of $67,466 versus $32,571 for females. The per capita income for the CDP was $32,894. About 0.8% of families and 12.7% of the population were below the poverty line, including 10.0% of those under age 18 and 2.3% of those age 65 or over.