From a total population of 15,229, Montgomery has a median age of 32.3. The average age of males, in Montgomery, is 29.5 while the average age of females is 33.9. When you compare this to median age of Illinois, Montgomery is 4.7 years younger.
The median income of individuals, in Montgomery, is $26,106 while the average household income is $76,207. When comparing the median income of people living in Montgomery to the rest of Illinois, the average income in Montgomery is $3,913 less.