St. Mary Parish, Louisiana Age & Gender Distribution (2024)
Population distribution by age and gender for St. Mary Parish, Louisiana
St. Mary Parish, Louisiana Age & Gender Statistics (2024)
Total Population
47,828
Median Age
39.7
Male Median
39.2
Female Median
40.7
St. Mary Parish, Louisiana Population Growth
St. Mary Parish, Louisiana Demographic Trend
Since 2010, the population of has changed by -12.0%%.
-12.0%% Growth
St. Mary Parish, Louisiana Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
St. Mary Parish, Louisiana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.7 | 47,828 |
| 2023 | 39.7 | 48,455 |
| 2022 | 39.5 | 49,114 |
| 2021 | 39.3 | 49,818 |
| 2020 | 39.4 | 50,020 |
| 2019 | 39.0 | 50,968 |
| 2018 | 39.1 | 51,734 |
| 2017 | 38.0 | 52,578 |
| 2016 | 38.1 | 53,053 |
| 2015 | 37.7 | 53,441 |
| 2014 | 37.9 | 53,784 |
| 2013 | 37.6 | 54,078 |
| 2012 | 37.4 | 54,285 |
| 2011 | 37.0 | 54,360 |
| 2010 | 37.2 | 54,348 |
St. Mary Parish, Louisiana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.6% |
| 5–17 | 17.8% |
| 18–24 | 7.6% |
| 25–34 | 11.5% |
| 35–54 | 23.5% |
| 55–64 | 14.7% |
| 65+ | 18.3% |
Dependency Ratios for St. Mary Parish, Louisiana
- Total Dependency Ratio:
- 74.8
- Youth Dependency:
- 42.8
- Old-Age Dependency:
- 32.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for St. Mary Parish, Louisiana
The median age in St. Mary Parish, Louisiana is 39.7 years.
According to latest Census data, the total population of St. Mary Parish, Louisiana is 47,828.
In St. Mary Parish, Louisiana, seniors (ages 65+) make up 18.3% of the population, while children under 18 represent 17.8%.
Based on historical data since 2010, the population in St. Mary Parish, Louisiana is aging.