Allendale is located in New Jersey. Allendale, New Jersey has a population of 7,173. Allendale is more family-centric than the surrounding county with 48% households with children. The county percentage for households with children is 30%.
The median household income in Allendale, New Jersey is $175,417. 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 Allendale is 46.9 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 18.2 degrees. The annual precipitation is 51.55.