Plaquemines Parish, Louisiana Age & Gender Statistics (2024)

Total Population

22,803

Median Age

37.5

Male Median

37.5

Female Median

37.5

Plaquemines Parish, Louisiana Population Growth

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Plaquemines Parish, Louisiana Demographic Trend

Since 2010, the population of has changed by +0.4%%.

+0.4%% Growth

Plaquemines Parish, Louisiana Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Plaquemines Parish, Louisiana Historical Population Data

YearMedian AgePopulation
202437.522,803
202336.823,070
202236.423,305
202136.023,536
202036.123,305
201936.523,338
201836.223,373
201735.923,394
201636.323,584
201536.523,599
201436.223,545
201336.223,385
201236.623,220
201135.622,976
201035.822,710

Plaquemines Parish, Louisiana Age Group Breakdown (2024)

Age CohortPercentage
Under 56.2%
5–1718.4%
18–248.1%
25–3413.6%
35–5426.8%
55–6412.8%
65+14.1%

Dependency Ratios for Plaquemines Parish, Louisiana

Total Dependency Ratio:
63.3
Youth Dependency:
40.2
Old-Age Dependency:
23.1

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Plaquemines Parish, Louisiana

The median age in Plaquemines Parish, Louisiana is 37.5 years.

According to latest Census data, the total population of Plaquemines Parish, Louisiana is 22,803.

In Plaquemines Parish, Louisiana, seniors (ages 65+) make up 14.1% of the population, while children under 18 represent 18.4%.

Based on historical data since 2010, the population in Plaquemines Parish, Louisiana is aging.
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