From a total population of 7,446, Salem has a median age of 40.2. The average age of males, in Salem, is 38.1 while the average age of females is 40.9. When you compare this to median age of Illinois, Salem is 3.2 years older.
The median income of individuals, in Salem, is $22,214 while the average household income is $38,997. When comparing the median income of people living in Salem to the rest of Illinois, the average income in Salem is $7,805 less.