Upper Marlboro is located in Maryland. Upper Marlboro, Maryland 20774has a population of 13,924. Upper Marlboro 20774 is less family-centric than the surrounding county with 25.36% of the households containing married families with children. The county average for households married with children is 26.76%.
The median household income in Upper Marlboro, Maryland 20774 is $97,816. The median household income for the surrounding county is $91,124 compared to the national median of $69,021. The median age of people living in Upper Marlboro 20774 is 49.1 years.
The average high temperature in July is 87.8 degrees, with an average low temperature in January of 24.1 degrees. The average rainfall is approximately 43.8 inches per year, with 13.5 inches of snow per year.
