From a total population of 22,045, Herndon has a median age of 34.2. The average age of males, in Herndon, is 34.1 while the average age of females is 34.3. When you compare this to median age of Virginia, Herndon is 3.4 years younger.
The median income of individuals, in Herndon, is $40,008 while the average household income is $100,399. When comparing the median income of people living in Herndon to the rest of Virginia, the average income in Herndon is $6,050 more.