Mount Washington Real EstateMount Washington is located in Maryland. Mount Washington, Maryland has a population of 309,898. The median household income in Mount Washington, Maryland is $46,641. The median household income for the surrounding county is $46,641 compared to the national median of $57,652. The median age of people living in Mount Washington is 35 years. Mount Washington WeatherThe average high temperature in July is 90.9 degrees, with an average low temperature in January of 30.8 degrees. The average rainfall is approximately 44.4 inches per year, with 20.4 inches of snow per year. Mount Washington MapReal estate near Mount WashingtonNearby CitiesNearby Cities Homes for Sale |