Mendham is located in New Jersey. Mendham, New Jersey has a population of 5,008. Mendham is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 31%.
The median household income in Mendham, New Jersey is $154,024. The median household income for the surrounding county is $118,534 compared to the national median of $66,222. The median age of people living in Mendham is 48.1 years.
The average high temperature in July is 84.7 degrees, with an average low temperature in January of 17.6 degrees. The annual precipitation is 52.99.