Greystone Park is located in New Jersey. Greystone Park, New Jersey has a population of 3,040.
The median household income in Greystone Park, New Jersey is $131,731. The median household income for the surrounding county is $123,727 compared to the national median of $69,021. The median age of people living in Greystone Park is 43.7 years.
The average high temperature in July is 84.8 degrees, with an average low temperature in January of 19.6 degrees. The average rainfall is approximately 50.4 inches per year, with 30.9 inches of snow per year.