From a total population of 3,336, Sleepy Hollow has a median age of 42.7. The average age of males, in Sleepy Hollow, is 42.9 while the average age of females is 42.5. When you compare this to median age of Illinois, Sleepy Hollow is 5.7 years older.
The median income of individuals, in Sleepy Hollow, is $35,049 while the average household income is $91,691. When comparing the median income of people living in Sleepy Hollow to the rest of Illinois, the average income in Sleepy Hollow is $5,030 more.