Union County, Pennsylvania Age & Gender Distribution (2024)
Population distribution by age and gender for Union County, Pennsylvania
Union County, Pennsylvania Age & Gender Statistics (2024)
Total Population
42,456
Median Age
41.0
Male Median
39.1
Female Median
42.5
Union County, Pennsylvania Population Growth

Union County, Pennsylvania Demographic Trend
Since 2010, the population of has changed by -5.4%%.
-5.4%% Growth
Union County, Pennsylvania Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Union County, Pennsylvania Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.0 | 42,456 |
| 2023 | 40.5 | 42,570 |
| 2022 | 39.7 | 42,908 |
| 2021 | 39.6 | 43,094 |
| 2020 | 39.6 | 44,831 |
| 2019 | 39.5 | 45,111 |
| 2018 | 39.4 | 45,114 |
| 2017 | 39.4 | 45,056 |
| 2016 | 39.1 | 45,178 |
| 2015 | 38.6 | 44,958 |
| 2014 | 38.5 | 44,955 |
| 2013 | 38.5 | 44,932 |
| 2012 | 38.4 | 44,944 |
| 2011 | 38.2 | 44,872 |
| 2010 | 38.4 | 44,866 |
Union County, Pennsylvania Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.3% |
| 5–17 | 13.0% |
| 18–24 | 14.0% |
| 25–34 | 11.7% |
| 35–54 | 24.8% |
| 55–64 | 12.3% |
| 65+ | 19.9% |
Dependency Ratios for Union County, Pennsylvania
- Total Dependency Ratio:
- 59.3
- Youth Dependency:
- 27.7
- Old-Age Dependency:
- 31.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Union County, Pennsylvania
The median age in Union County, Pennsylvania is 41.0 years.
According to latest Census data, the total population of Union County, Pennsylvania is 42,456.
In Union County, Pennsylvania, seniors (ages 65+) make up 19.9% of the population, while children under 18 represent 13.0%.
Based on historical data since 2010, the population in Union County, Pennsylvania is aging.