From a total population of 338,916, Loudoun County has a median age of 35.1. The average age of males, in Loudoun County, is 34.7 while the average age of females is 35.5. When you compare this to median age of Virginia, Loudoun County is 2.5 years younger.
The median income of individuals, in Loudoun County, is $46,962 while the average household income is $123,966. When comparing the median income of people living in Loudoun County to the rest of Virginia, the average income in Loudoun County is $13,004 more.