St. Charles Parish, Louisiana Age & Gender Statistics (2024)

Total Population

51,396

Median Age

39.7

Male Median

38.6

Female Median

40.6

St. Charles Parish, Louisiana Population Growth

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

St. Charles Parish, Louisiana Demographic Trend

Since 2010, the population of has changed by -2.4%%.

-2.4%% Growth

St. Charles Parish, Louisiana Age & Gender Pyramid

Population pyramid for

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


St. Charles Parish, Louisiana Historical Population Data

YearMedian AgePopulation
202439.751,396
202339.151,863
202238.852,191
202138.452,411
202038.052,856
201937.952,773
201837.652,724
201737.252,728
201637.452,708
201537.252,639
201437.152,616
201336.852,627
201236.752,663
201136.552,662
201036.652,645

St. Charles Parish, Louisiana Age Group Breakdown (2024)

Age CohortPercentage
Under 55.2%
5–1718.9%
18–248.0%
25–3411.9%
35–5426.4%
55–6414.1%
65+15.5%

Dependency Ratios for St. Charles Parish, Louisiana

Total Dependency Ratio:
65.6
Youth Dependency:
39.9
Old-Age Dependency:
25.7

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



Age & Gender FAQs for St. Charles Parish, Louisiana

The median age in St. Charles Parish, Louisiana is 39.7 years.

According to latest Census data, the total population of St. Charles Parish, Louisiana is 51,396.

In St. Charles Parish, Louisiana, seniors (ages 65+) make up 15.5% of the population, while children under 18 represent 18.9%.

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