From a total population of 18,379, Carlisle has a median age of 33.4. The average age of males, in Carlisle, is 32.2 while the average age of females is 34.5. When you compare this to median age of Pennsylvania, Carlisle is 7.0 years younger.
The median income of individuals, in Carlisle, is $26,626 while the average household income is $46,614. When comparing the median income of people living in Carlisle to the rest of Pennsylvania, the average income in Carlisle is $2,286 less.