Martinsville is located in New Jersey. Martinsville, New Jersey has a population of 3,807. Martinsville is more family-centric than the surrounding county with 37% households with children. The county percentage for households with children is 33%.
The median household income in Martinsville, New Jersey is $152,207. The median household income for the surrounding county is $112,739 compared to the national median of $61,963. The median age of people living in Martinsville is 50.1 years.
The average high temperature in July is 84.4 degrees, with an average low temperature in January of 19.1 degrees. The annual precipitation is 46.3.