From a total population of 58,744, Gaithersburg has a median age of 34.5. The average age of males, in Gaithersburg, is 33 while the average age of females is 36.3. When you compare this to median age of Maryland, Gaithersburg is 3.6 years younger.
The median income of individuals, in Gaithersburg, is $39,846 while the average household income is $78,441. When comparing the median income of people living in Gaithersburg to the rest of Maryland, the average income in Gaithersburg is $3,176 more.