
Plaquemines Parish
- State:
- Louisiana
Plaquemines Parish's estimated 2025 population is 21,922 with a growth rate of -1.05% in the past year according to the most recent United States census data. Plaquemines Parish is the 38th largest county in Louisiana. The 2010 population was 23,120 and has seen a growth of -5.18% since that time.