Washington Grove is located in Maryland. Washington Grove, Maryland has a population of 633. Washington Grove is less family-centric than the surrounding county with 32.1% of the households containing married families with children. The county average for households married with children is 37.55%.
The median household income in Washington Grove, Maryland is $113,750. 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 Washington Grove is 48.9 years.
The 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.