Old Tappan Real EstateOld Tappan is located in New Jersey. Old Tappan, New Jersey has a population of 5,999. Old Tappan is less family-centric than the surrounding county with 35.31% of the households containing married families with children. The county average for households married with children is 36.68%. The median household income in Old Tappan, New Jersey is $141,185. 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 Old Tappan is 46.3 years. Old Tappan WeatherThe average high temperature in July is 85.3 degrees, with an average low temperature in January of 22.4 degrees. The average rainfall is approximately 48.4 inches per year, with 25.8 inches of snow per year. Old Tappan MapReal estate near Old TappanNearby CitiesNearby Cities Homes for Sale |