Washington Grove is located in Maryland. Washington Grove, Maryland 20880 has a population of 512. Washington Grove 20880 is less family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 32%.
The median household income in Washington Grove, Maryland 20880 is $114,127. The median household income for the surrounding county is $113,505 compared to the national median of $66,222. The median age of people living in Washington Grove 20880 is 38.9 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 23.8 degrees. The annual precipitation is 43.08.