Greenwich Township is located in New Jersey. Greenwich Township, New Jersey has a population of 4,184.
The median household income in Greenwich Township, New Jersey is $114,019. The median household income for the surrounding county is $58,397 compared to the national median of $69,021. The median age of people living in Greenwich Township is 46 years.
The average high temperature in July is 85.75 degrees, with an average low temperature in January of 22 degrees. The average rainfall is approximately 46.8 inches per year, with 21.2 inches of snow per year.