From a total population of 16,810, Arlington has a median age of 35.2. The average age of males, in Arlington, is 35.1 while the average age of females is 35.4. When you compare this to median age of Washington, Arlington is 2.2 years younger.
The median income of individuals, in Arlington, is $25,453 while the average household income is $61,131. When comparing the median income of people living in Arlington to the rest of Washington, the average income in Arlington is $5,780 less.