Greenwich is located in New Jersey. Greenwich, New Jersey has a population of 8,369. Greenwich is more family-centric than the surrounding county with 27.9% of the households containing married families with children. The county average for households married with children is 26.61%.
The median household income in Greenwich, New Jersey is $88,631. The median household income for the surrounding county is $50,000 compared to the national median of $57,652. The median age of people living in Greenwich is 40.9 years.
The average high temperature in July is 85.5 degrees, with an average low temperature in January of 22.2 degrees. The average rainfall is approximately 47.5 inches per year, with 17.75 inches of snow per year.