From a total population of 5,481, Watseka has a median age of 47.1. The average age of males, in Watseka, is 42.6 while the average age of females is 50.3. When you compare this to median age of Illinois, Watseka is 10.1 years older.
The median income of individuals, in Watseka, is $20,794 while the average household income is $35,726. When comparing the median income of people living in Watseka to the rest of Illinois, the average income in Watseka is $9,225 less.