Mount Holly Real EstateMount Holly is located in New Jersey. Mount Holly, New Jersey has a population of 9,536. Mount Holly is less family-centric than the surrounding county with 25.62% of the households containing married families with children. The county average for households married with children is 32.59%. The median household income in Mount Holly, New Jersey is $60,656. The median household income for the surrounding county is $82,839 compared to the national median of $57,652. The median age of people living in Mount Holly is 37.8 years. Mount Holly WeatherThe average high temperature in July is 86.5 degrees, with an average low temperature in January of 24 degrees. The average rainfall is approximately 47.3 inches per year, with 16 inches of snow per year. Mount Holly MapReal estate near Mount HollyNearby CitiesNearby Cities Homes for Sale |