Allendale is located in New Jersey. Allendale, New Jersey has a population of 6,820. Allendale is more family-centric than the surrounding county with 47.48% of the households containing married families with children. The county average for households married with children is 36.68%.
The median household income in Allendale, New Jersey is $151,875. The median household income for the surrounding county is $91,572 compared to the national median of $57,652. The median age of people living in Allendale is 44.9 years.
The average high temperature in July is 83.9 degrees, with an average low temperature in January of 18.9 degrees. The average rainfall is approximately 48.8 inches per year, with 25 inches of snow per year.
