How many people live in Plaquemines Parish, LA?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 22,300 people living in Plaquemines Parish, LA. That makes Plaquemines Parish the 39th-most populous parish in Louisiana. It is home to 0.48% of people living in the state.
22.3K
population of Plaquemines Parish, LA (2024)
0.48%
County share of the Louisiana population (2024)
About 22,300 people lived in Plaquemines Parish, LA in 2024.
Population estimates, 2000–2024
What are Plaquemines Parish, LA’s age demographics?
About 3,500 Plaquemines Parish, LA residents are aged 65 and older in 2024. That represents 15.7% of its population. For comparison, the age group represents 17.8% of Louisiana’s population and 18% in the US overall.
Another 5,300 Plaquemines Parish residents, or 23.7% of the population, were children under 18. For comparison, the age group represents 23.3% of Louisiana’s population and 21.6% in the US overall.
A lower share of Plaquemines Parish, LA's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Plaquemines Parish, LA’s racial and ethnic demographics?
Non-Hispanic white residents make up 59.7% of the Plaquemines Parish, LA population, higher than the national share of 57.5%. Plaquemines Parish, LA also has a larger share of people identifying as non-Hispanic Black or African American (21%) than the US overall (12.6%).
In contrast, Plaquemines Parish’s Hispanic population accounts for 10.4%, below the 20% nationwide, and the non-Hispanic Asian population makes up 4.6% of the parish, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Plaquemines Parish, LA has a higher share of a non-Hispanic white population than Louisiana as a whole.
Population estimates by race and ethnicity, (2024)
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
