From a total population of 5,498, Boone County has a median age of 36.7. The average age of males, in Boone County, is 39.1 while the average age of females is 31.9. When you compare this to median age of Illinois, Boone County is 0.3 years younger.
The median income of individuals, in Boone County, is $24,983 while the average household income is $57,167. When comparing the median income of people living in Boone County to the rest of Illinois, the average income in Boone County is $5,036 less.