
Plaquemine
- County:
- Iberville Parish
- County Seat:
- No
- Area (mi²):
- 2.923
- State:
- Louisiana
Plaquemine is a city located in Iberville Parish, Louisiana. Plaquemine has a 2025 population of 5,848. Plaquemine is currently declining at a rate of -1.27% annually and its population has decreased by -6.03% since the most recent census, which recorded a population of 6,223 in 2020.
The average household income in Plaquemine is $82,998 with a poverty rate of 10.02%. The median age in Plaquemine is 43.7 years: 43.1 years for males, and 45.1 years for females.