Welcome to the fantastic area of Plaquemine! As of the latest US census, around 17,034 call this area home and around 77% are homeowners. With an average age of 40, the residents of Plaquemine are well established, with many growing families of all ages. However, during weekends and holidays, you can see a lot more activity and excitement. Over the past 30 days roughly 3 homes have been sold with an average sold price of $346,333. That is an increase of $141,569 from the previous period.