From a total population of 21,131, South Elgin has a median age of 35.9. The average age of males, in South Elgin, is 35.6 while the average age of females is 36. When you compare this to median age of Illinois, South Elgin is 1.1 years younger.
The median income of individuals, in South Elgin, is $33,218 while the average household income is $86,600. When comparing the median income of people living in South Elgin to the rest of Illinois, the average income in South Elgin is $3,199 more.