From a total population of 1,005,087, Washington Grove has a median age of 38.5. The average age of males, in Washington Grove, is 36.9 while the average age of females is 40. When you compare this to median age of Maryland, Washington Grove is 0.4 years older.
The median income of individuals, in Washington Grove, is $48,916 while the average household income is $98,704. When comparing the median income of people living in Washington Grove to the rest of Maryland, the average income in Washington Grove is $12,246 more.