Jefferson County, Alabama Age & Gender Distribution (2024)
Population distribution by age and gender for Jefferson County, Alabama
Jefferson County, Alabama Age & Gender Statistics (2024)
Total Population
667,755
Median Age
37.7
Male Median
36.3
Female Median
39.1
Jefferson County, Alabama Population Growth
Jefferson County, Alabama Demographic Trend
Since 2010, the population of has changed by +1.7%%.
+1.7%% Growth
Jefferson County, Alabama Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Jefferson County, Alabama Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 37.7 | 667,755 |
| 2023 | 37.8 | 669,744 |
| 2022 | 37.9 | 672,265 |
| 2021 | 37.9 | 672,550 |
| 2020 | 37.9 | 658,615 |
| 2019 | 37.7 | 659,680 |
| 2018 | 37.7 | 659,892 |
| 2017 | 37.6 | 659,460 |
| 2016 | 37.5 | 659,096 |
| 2015 | 37.4 | 659,026 |
| 2014 | 37.4 | 658,834 |
| 2013 | 37.2 | 658,552 |
| 2012 | 37.0 | 658,464 |
| 2011 | 37.0 | 657,486 |
| 2010 | 37.0 | 656,912 |
Jefferson County, Alabama Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.1% |
| 5–17 | 16.8% |
| 18–24 | 9.2% |
| 25–34 | 14.1% |
| 35–54 | 24.8% |
| 55–64 | 12.1% |
| 65+ | 16.8% |
Dependency Ratios for Jefferson County, Alabama
- Total Dependency Ratio:
- 65.9
- Youth Dependency:
- 38.1
- Old-Age Dependency:
- 27.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Jefferson County, Alabama
The median age in Jefferson County, Alabama is 37.7 years.
According to latest Census data, the total population of Jefferson County, Alabama is 667,755.
In Jefferson County, Alabama, seniors (ages 65+) make up 16.8% of the population, while children under 18 represent 16.8%.
Based on historical data since 2010, the population in Jefferson County, Alabama has remained stable.