From a total population of 5,769, Spring Grove has a median age of 38.9. The average age of males, in Spring Grove, is 37.8 while the average age of females is 39.9. When you compare this to median age of Illinois, Spring Grove is 1.9 years older.
The median income of individuals, in Spring Grove, is $33,118 while the average household income is $76,345. When comparing the median income of people living in Spring Grove to the rest of Illinois, the average income in Spring Grove is $3,099 more.