Demarest is located in New Jersey. Demarest, New Jersey has a population of 4,977. Demarest is more family-centric than the surrounding county with 45.47% of the households containing married families with children. The county average for households married with children is 35.18%.
The median household income in Demarest, New Jersey is $191,346. The median household income for the surrounding county is $109,497 compared to the national median of $69,021. The median age of people living in Demarest is 45 years.
The average high temperature in July is 85.6 degrees, with an average low temperature in January of 23.1 degrees. The average rainfall is approximately 47.1 inches per year, with 27.6 inches of snow per year.