St. Tammany Parish, Louisiana Age & Gender Distribution (2024)
Population distribution by age and gender for St. Tammany Parish, Louisiana
St. Tammany Parish, Louisiana Age & Gender Statistics (2024)
Total Population
272,421
Median Age
40.5
Male Median
39.4
Female Median
41.7
St. Tammany Parish, Louisiana Population Growth
St. Tammany Parish, Louisiana Demographic Trend
Since 2010, the population of has changed by +19.0%%.
+19.0%% Growth
St. Tammany Parish, Louisiana Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
St. Tammany Parish, Louisiana Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.5 | 272,421 |
| 2023 | 40.4 | 269,331 |
| 2022 | 40.6 | 266,168 |
| 2021 | 40.4 | 262,799 |
| 2020 | 40.4 | 258,447 |
| 2019 | 40.2 | 255,155 |
| 2018 | 40.1 | 252,093 |
| 2017 | 39.8 | 249,201 |
| 2016 | 39.8 | 246,269 |
| 2015 | 39.8 | 242,960 |
| 2014 | 39.7 | 239,814 |
| 2013 | 39.6 | 236,832 |
| 2012 | 39.4 | 234,283 |
| 2011 | 39.0 | 231,629 |
| 2010 | 38.8 | 228,894 |
St. Tammany Parish, Louisiana Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.7% |
| 5–17 | 17.9% |
| 18–24 | 7.6% |
| 25–34 | 11.2% |
| 35–54 | 25.7% |
| 55–64 | 13.4% |
| 65+ | 18.4% |
Dependency Ratios for St. Tammany Parish, Louisiana
- Total Dependency Ratio:
- 72.5
- Youth Dependency:
- 40.7
- Old-Age Dependency:
- 31.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for St. Tammany Parish, Louisiana
The median age in St. Tammany Parish, Louisiana is 40.5 years.
According to latest Census data, the total population of St. Tammany Parish, Louisiana is 272,421.
In St. Tammany Parish, Louisiana, seniors (ages 65+) make up 18.4% of the population, while children under 18 represent 17.9%.
Based on historical data since 2010, the population in St. Tammany Parish, Louisiana is aging.