Newtonville is located in New Jersey. Newtonville, New Jersey has a population of 640. Newtonville is more family-centric than the surrounding county with 54.4% of the households containing married families with children. The county average for households married with children is 27.39%.
The median household income in Newtonville, New Jersey is $37,074. The median household income for the surrounding county is $57,514 compared to the national median of $57,652. The median age of people living in Newtonville is 26.6 years.
The average high temperature in July is 86.8 degrees, with an average low temperature in January of 23 degrees. The average rainfall is approximately 44.8 inches per year, with 18.1 inches of snow per year.