From a total population of 14,309, Mason County has a median age of 44.9. The average age of males, in Mason County, is 43.7 while the average age of females is 45.8. When you compare this to median age of Illinois, Mason County is 7.9 years older.
The median income of individuals, in Mason County, is $23,937 while the average household income is $42,476. When comparing the median income of people living in Mason County to the rest of Illinois, the average income in Mason County is $6,082 less.