Princeton Twp is located in New Jersey. Princeton Twp, New Jersey has a population of 15,361.
The median household income in Princeton Twp, New Jersey is $125,506. The median household income for the surrounding county is $77,027 compared to the national median of $57,652. The median age of people living in Princeton Twp is 34.3 years.
The average high temperature in July is 85.7 degrees, with an average low temperature in January of 22.2 degrees. The average rainfall is approximately 48.2 inches per year, with 22.7 inches of snow per year.