South Setauket is located in New York. South Setauket, New York has a population of 15,989.
The median household income in South Setauket, New York is $115,091. The median household income for the surrounding county is $111,660 compared to the national median of $69,021. The median age of people living in South Setauket is 37.2 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 23.4 degrees. The average rainfall is approximately 47.3 inches per year, with 28.3 inches of snow per year.
