From a total population of 8,040, Gettysburg has a median age of 21.7. The average age of males, in Gettysburg, is 22.4 while the average age of females is 21.5. When you compare this to median age of Pennsylvania, Gettysburg is 18.7 years younger.
The median income of individuals, in Gettysburg, is $15,595 while the average household income is $31,158. When comparing the median income of people living in Gettysburg to the rest of Pennsylvania, the average income in Gettysburg is $13,317 less.