From a total population of 30,352, Algonquin has a median age of 39.9. The average age of males, in Algonquin, is 39.1 while the average age of females is 40.2. When you compare this to median age of Illinois, Algonquin is 2.9 years older.
The median income of individuals, in Algonquin, is $39,797 while the average household income is $100,534. When comparing the median income of people living in Algonquin to the rest of Illinois, the average income in Algonquin is $9,778 more.