Derwood 20855 Real EstateDerwood is located in Maryland. Derwood, Maryland 20855has a population of 17,317. Derwood 20855 is less family-centric than the surrounding county with 31.05% of the households containing married families with children. The county average for households married with children is 37.55%. The median household income in Derwood, Maryland 20855 is $105,455. The median household income for the surrounding county is $103,178 compared to the national median of $57,652. The median age of people living in Derwood 20855 is 37.8 years. Derwood WeatherThe average high temperature in July is 85 degrees, with an average low temperature in January of 27 degrees. The average rainfall is approximately 43.8 inches per year, with 17.1 inches of snow per year. Derwood MapReal estate near DerwoodNearby CitiesNearby Cities Homes for Sale |