Mendham Real EstateMendham is located in New Jersey. Mendham, New Jersey has a population of 5,877. Mendham is more family-centric than the surrounding county with 48.86% of the households containing married families with children. The county average for households married with children is 38.31%. The median household income in Mendham, New Jersey is $185,882. The median household income for the surrounding county is $107,034 compared to the national median of $57,652. The median age of people living in Mendham is 45.4 years. Mendham WeatherThe average high temperature in July is 85.2 degrees, with an average low temperature in January of 19.1 degrees. The average rainfall is approximately 50 inches per year, with 26.9 inches of snow per year. Mendham MapReal estate near MendhamNearby CitiesNearby Cities Homes for Sale |