From a total population of 45,497, DeKalb has a median age of 23.7. The average age of males, in DeKalb, is 23.7 while the average age of females is 23.6. When you compare this to median age of Illinois, DeKalb is 13.3 years younger.
The median income of individuals, in DeKalb, is $19,088 while the average household income is $38,357. When comparing the median income of people living in DeKalb to the rest of Illinois, the average income in DeKalb is $10,931 less.