Jefferson County, Florida Age & Gender Distribution (2024)
Population distribution by age and gender for Jefferson County, Florida
Jefferson County, Florida Age & Gender Statistics (2024)
Total Population
15,091
Median Age
47.6
Male Median
43.7
Female Median
51.7
Jefferson County, Florida Population Growth

Jefferson County, Florida Demographic Trend
Since 2010, the population of has changed by +3.5%%.
+3.5%% Growth
Jefferson County, Florida Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Jefferson County, Florida Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 47.6 | 15,091 |
| 2023 | 47.0 | 14,713 |
| 2022 | 47.8 | 14,458 |
| 2021 | 47.2 | 14,405 |
| 2020 | 47.3 | 14,278 |
| 2019 | 48.0 | 14,161 |
| 2018 | 47.2 | 14,105 |
| 2017 | 46.0 | 14,085 |
| 2016 | 45.5 | 14,082 |
| 2015 | 45.3 | 14,198 |
| 2014 | 44.9 | 14,335 |
| 2013 | 44.2 | 14,469 |
| 2012 | 43.6 | 14,564 |
| 2011 | 43.3 | 14,622 |
| 2010 | 44.7 | 14,583 |
Jefferson County, Florida Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.1% |
| 5–17 | 13.1% |
| 18–24 | 8.1% |
| 25–34 | 11.6% |
| 35–54 | 23.3% |
| 55–64 | 15.3% |
| 65+ | 24.5% |
Dependency Ratios for Jefferson County, Florida
- Total Dependency Ratio:
- 71.3
- Youth Dependency:
- 29.4
- Old-Age Dependency:
- 41.9
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Jefferson County, Florida
The median age in Jefferson County, Florida is 47.6 years.
According to latest Census data, the total population of Jefferson County, Florida is 15,091.
In Jefferson County, Florida, seniors (ages 65+) make up 24.5% of the population, while children under 18 represent 13.1%.
Based on historical data since 2010, the population in Jefferson County, Florida is aging.