From a total population of 4,532, Mount Vernon has a median age of 22.6. The average age of males, in Mount Vernon, is 24.7 while the average age of females is 21.2. When you compare this to median age of Iowa, Mount Vernon is 15.4 years younger.
The median income of individuals, in Mount Vernon, is $21,749 while the average household income is $70,809. When comparing the median income of people living in Mount Vernon to the rest of Iowa, the average income in Mount Vernon is $5,872 less.