From a total population of 6,751, Plaquemine has a median age of 35.1. The average age of males, in Plaquemine, is 32.8 while the average age of females is 38.4. When you compare this to median age of Louisiana, Plaquemine is 0.9 years younger.
The median income of individuals, in Plaquemine, is $24,389 while the average household income is $46,002. When comparing the median income of people living in Plaquemine to the rest of Louisiana, the average income in Plaquemine is $386 less.