From a total population of 26,862, McHenry has a median age of 39.1. The average age of males, in McHenry, is 36.2 while the average age of females is 40.4. When you compare this to median age of Illinois, McHenry is 2.1 years older.
The median income of individuals, in McHenry, is $29,893 while the average household income is $62,580. When comparing the median income of people living in McHenry to the rest of Illinois, the average income in McHenry is $126 less.