Jefferson County, Wisconsin Age & Gender Distribution (2024)
Population distribution by age and gender for Jefferson County, Wisconsin
Jefferson County, Wisconsin Age & Gender Statistics (2024)
Total Population
86,003
Median Age
41.5
Male Median
41.1
Female Median
42.1
Jefferson County, Wisconsin Population Growth
Jefferson County, Wisconsin Demographic Trend
Since 2010, the population of has changed by +3.9%%.
+3.9%% Growth
Jefferson County, Wisconsin Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Jefferson County, Wisconsin Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.5 | 86,003 |
| 2023 | 41.3 | 85,867 |
| 2022 | 41.5 | 85,932 |
| 2021 | 41.8 | 84,808 |
| 2020 | 41.3 | 84,837 |
| 2019 | 41.1 | 84,701 |
| 2018 | 40.7 | 84,652 |
| 2017 | 40.1 | 84,586 |
| 2016 | 39.5 | 84,538 |
| 2015 | 39.1 | 84,345 |
| 2014 | 38.8 | 84,201 |
| 2013 | 38.6 | 83,985 |
| 2012 | 38.1 | 83,751 |
| 2011 | 38.0 | 83,308 |
| 2010 | 37.9 | 82,778 |
Jefferson County, Wisconsin Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.7% |
| 5–17 | 15.0% |
| 18–24 | 10.3% |
| 25–34 | 11.3% |
| 35–54 | 25.5% |
| 55–64 | 14.6% |
| 65+ | 18.5% |
Dependency Ratios for Jefferson County, Wisconsin
- Total Dependency Ratio:
- 62.0
- Youth Dependency:
- 32.0
- Old-Age Dependency:
- 30.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Jefferson County, Wisconsin
The median age in Jefferson County, Wisconsin is 41.5 years.
According to latest Census data, the total population of Jefferson County, Wisconsin is 86,003.
In Jefferson County, Wisconsin, seniors (ages 65+) make up 18.5% of the population, while children under 18 represent 15.0%.
Based on historical data since 2010, the population in Jefferson County, Wisconsin is aging.