Port Jefferson is a city located in New York. With a 2020 population of 8,320, it is the 104th largest city in New York and the 3513th largest city in the United States. Port Jefferson is currently growing at a rate of 0.95% annually and its population has increased by 7.35% since the most recent census, which recorded a population of 7,750 in 2010. Spanning over 3 miles, Port Jefferson has a population density of 2,721 people per square mile.
The average household income in Port Jefferson is $138,152 with a poverty rate of 5.23%. The median rental costs in recent years comes to $1,794 per month, and the median house value is $501,700. The median age in Port Jefferson is 45.7 years, 43.8 years for males, and 47.9 years for females. For every 100 females there are 104.1 males.