From a total population of 72,241, Bethlehem has a median age of 34.9. The average age of males, in Bethlehem, is 32.7 while the average age of females is 38. When you compare this to median age of Pennsylvania, Bethlehem is 5.5 years younger.
The median income of individuals, in Bethlehem, is $24,244 while the average household income is $46,902. When comparing the median income of people living in Bethlehem to the rest of Pennsylvania, the average income in Bethlehem is $4,668 less.