South Setauket is located in New York. South Setauket, New York has a population of 15,976.
The median household income in South Setauket, New York is $98,025. The median household income for the surrounding county is $92,838 compared to the national median of $57,652. The median age of people living in South Setauket is 38 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 23.2 degrees. The average rainfall is approximately 46.8 inches per year, with 26.9 inches of snow per year.
