Jefferson County, Kentucky Age & Gender Distribution (2024)
Population distribution by age and gender for Jefferson County, Kentucky
Jefferson County, Kentucky Age & Gender Statistics (2024)
Total Population
783,022
Median Age
38.4
Male Median
37.2
Female Median
39.7
Jefferson County, Kentucky Population Growth
Jefferson County, Kentucky Demographic Trend
Since 2010, the population of has changed by +7.3%%.
+7.3%% Growth
Jefferson County, Kentucky Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Jefferson County, Kentucky Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 38.4 | 783,022 |
| 2023 | 38.4 | 777,392 |
| 2022 | 38.5 | 779,232 |
| 2021 | 38.4 | 780,449 |
| 2020 | 38.4 | 768,419 |
| 2019 | 38.3 | 767,419 |
| 2018 | 38.1 | 767,154 |
| 2017 | 38.0 | 764,378 |
| 2016 | 38.0 | 759,724 |
| 2015 | 37.9 | 755,809 |
| 2014 | 37.9 | 751,485 |
| 2013 | 38.0 | 746,580 |
| 2012 | 37.8 | 741,285 |
| 2011 | 37.7 | 735,804 |
| 2010 | 37.7 | 729,452 |
Jefferson County, Kentucky Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.1% |
| 5–17 | 16.2% |
| 18–24 | 8.4% |
| 25–34 | 14.7% |
| 35–54 | 24.9% |
| 55–64 | 12.6% |
| 65+ | 17.2% |
Dependency Ratios for Jefferson County, Kentucky
- Total Dependency Ratio:
- 65.0
- Youth Dependency:
- 36.7
- Old-Age Dependency:
- 28.3
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Jefferson County, Kentucky
The median age in Jefferson County, Kentucky is 38.4 years.
According to latest Census data, the total population of Jefferson County, Kentucky is 783,022.
In Jefferson County, Kentucky, seniors (ages 65+) make up 17.2% of the population, while children under 18 represent 16.2%.
Based on historical data since 2010, the population in Jefferson County, Kentucky has remained stable.