Jefferson Township is located in New Jersey. Jefferson Township, New Jersey has a population of 5,768.
The median household income in Jefferson Township, New Jersey is $106,035. The median household income for the surrounding county is $63,339 compared to the national median of $57,652. The median age of people living in Jefferson Township is 44.5 years.
The average high temperature in July is 83.3 degrees, with an average low temperature in January of 18 degrees. The average rainfall is approximately 49.4 inches per year, with 33.7 inches of snow per year.