From a total population of 27,183, Slidell has a median age of 38.6. The average age of males, in Slidell, is 34.5 while the average age of females is 42. When you compare this to median age of Louisiana, Slidell is 2.6 years older.
The median income of individuals, in Slidell, is $24,550 while the average household income is $50,432. When comparing the median income of people living in Slidell to the rest of Louisiana, the average income in Slidell is $225 less.