Jefferson Parish, Louisiana Age & Gender Distribution (2024)
Population distribution by age and gender for Jefferson Parish, Louisiana
Jefferson Parish, Louisiana Age & Gender Statistics (2024)
Total Population
430,920
Median Age
40.0
Male Median
38.9
Female Median
41.2
Jefferson Parish, Louisiana Population Growth
Jefferson Parish, Louisiana Demographic Trend
Since 2010, the population of has changed by -0.0%%.
-0.0%% Growth
Jefferson Parish, Louisiana Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Jefferson Parish, Louisiana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.0 | 430,920 |
| 2023 | 39.9 | 432,484 |
| 2022 | 39.8 | 436,171 |
| 2021 | 39.7 | 439,402 |
| 2020 | 39.5 | 434,903 |
| 2019 | 39.4 | 434,850 |
| 2018 | 39.2 | 435,300 |
| 2017 | 39.0 | 437,038 |
| 2016 | 38.8 | 435,204 |
| 2015 | 38.7 | 435,092 |
| 2014 | 38.6 | 434,528 |
| 2013 | 38.6 | 433,477 |
| 2012 | 38.5 | 432,706 |
| 2011 | 38.5 | 432,310 |
| 2010 | 38.6 | 431,019 |
Jefferson Parish, Louisiana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.3% |
| 5–17 | 16.2% |
| 18–24 | 7.4% |
| 25–34 | 13.4% |
| 35–54 | 24.9% |
| 55–64 | 13.4% |
| 65+ | 18.6% |
Dependency Ratios for Jefferson Parish, Louisiana
- Total Dependency Ratio:
- 69.5
- Youth Dependency:
- 38.0
- Old-Age Dependency:
- 31.5
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Jefferson Parish, Louisiana
The median age in Jefferson Parish, Louisiana is 40.0 years.
According to latest Census data, the total population of Jefferson Parish, Louisiana is 430,920.
In Jefferson Parish, Louisiana, seniors (ages 65+) make up 18.6% of the population, while children under 18 represent 16.2%.
Based on historical data since 2010, the population in Jefferson Parish, Louisiana has remained stable.