Morris Plains Real EstateMorris Plains is located in New Jersey. Morris Plains, New Jersey has a population of 5,605. Morris Plains is more family-centric than the surrounding county with 38.71% of the households containing married families with children. The county average for households married with children is 38.31%. The median household income in Morris Plains, New Jersey is $125,229. 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 Morris Plains is 42.8 years. Morris Plains WeatherThe average high temperature in July is 83.6 degrees, with an average low temperature in January of 18.8 degrees. The average rainfall is approximately 49.8 inches per year, with 28.4 inches of snow per year. Morris Plains MapReal estate near Morris PlainsNearby CitiesNearby Cities Homes for Sale |