From a total population of 434,528, Jefferson Parish has a median age of 38.6. The average age of males, in Jefferson Parish, is 37 while the average age of females is 40.1. When you compare this to median age of Louisiana, Jefferson Parish is 2.6 years older.
The median income of individuals, in Jefferson Parish, is $27,067 while the average household income is $47,871. When comparing the median income of people living in Jefferson Parish to the rest of Louisiana, the average income in Jefferson Parish is $2,292 more.