Middlesex is located in New Jersey. Middlesex, New Jersey has a population of 13,938. Middlesex is less family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 33%.
The median household income in Middlesex, New Jersey is $73,657. The median household income for the surrounding county is $85,994 compared to the national median of $61,963. The median age of people living in Middlesex is 42.4 years.
The average high temperature in July is 86.6 degrees, with an average low temperature in January of 21.5 degrees. The annual precipitation is 47.89.