From a total population of 220,173, Arlington County has a median age of 33.8. The average age of males, in Arlington County, is 33.7 while the average age of females is 33.8. When you compare this to median age of Virginia, Arlington County is 3.8 years younger.
The median income of individuals, in Arlington County, is $62,854 while the average household income is $105,120. When comparing the median income of people living in Arlington County to the rest of Virginia, the average income in Arlington County is $28,896 more.