From a total population of 5,901, Chillicothe has a median age of 42.4. The average age of males, in Chillicothe, is 40.4 while the average age of females is 43.3. When you compare this to median age of Illinois, Chillicothe is 5.4 years older.
The median income of individuals, in Chillicothe, is $24,991 while the average household income is $47,434. When comparing the median income of people living in Chillicothe to the rest of Illinois, the average income in Chillicothe is $5,028 less.