Summit is located in New Jersey. Summit, New Jersey has a population of 21,345. Summit is more family-centric than the surrounding county with 42% households with children. The county percentage for households with children is 34%.
The median household income in Summit, New Jersey is $149,428. The median household income for the surrounding county is $78,384 compared to the national median of $61,963. The median age of people living in Summit is 42.3 years.
The average high temperature in July is 85.8 degrees, with an average low temperature in January of 18.2 degrees. The annual precipitation is 51.61.