Demarest is located in New Jersey. Demarest, New Jersey has a population of 5,044. Demarest is more family-centric than the surrounding county with 47% households with children. The county percentage for households with children is 30%.
The median household income in Demarest, New Jersey is $162,536. The median household income for the surrounding county is $105,845 compared to the national median of $66,222. The median age of people living in Demarest is 46.8 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 23 degrees. The annual precipitation is 45.11.