From a total population of 117,352, Springfield has a median age of 38.7. The average age of males, in Springfield, is 36.5 while the average age of females is 40.9. When you compare this to median age of Illinois, Springfield is 1.7 years older.
The median income of individuals, in Springfield, is $29,621 while the average household income is $48,848. When comparing the median income of people living in Springfield to the rest of Illinois, the average income in Springfield is $398 less.