Washington County, Pennsylvania Age & Gender Distribution (2024)
Population distribution by age and gender for Washington County, Pennsylvania
Washington County, Pennsylvania Age & Gender Statistics (2024)
Total Population
210,042
Median Age
44.2
Male Median
42.7
Female Median
45.5
Washington County, Pennsylvania Population Growth

Washington County, Pennsylvania Demographic Trend
Since 2010, the population of has changed by +1.5%%.
+1.5%% Growth
Washington County, Pennsylvania Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Washington County, Pennsylvania Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 44.2 | 210,042 |
| 2023 | 44.2 | 209,778 |
| 2022 | 44.2 | 209,631 |
| 2021 | 44.2 | 209,090 |
| 2020 | 44.5 | 207,081 |
| 2019 | 44.5 | 207,212 |
| 2018 | 44.5 | 207,547 |
| 2017 | 44.4 | 207,661 |
| 2016 | 44.3 | 208,269 |
| 2015 | 44.2 | 208,226 |
| 2014 | 44.0 | 208,157 |
| 2013 | 43.7 | 208,047 |
| 2012 | 43.5 | 207,916 |
| 2011 | 43.3 | 207,451 |
| 2010 | 43.0 | 206,987 |
Washington County, Pennsylvania Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.9% |
| 5–17 | 14.7% |
| 18–24 | 7.8% |
| 25–34 | 11.3% |
| 35–54 | 24.6% |
| 55–64 | 14.8% |
| 65+ | 22.0% |
Dependency Ratios for Washington County, Pennsylvania
- Total Dependency Ratio:
- 71.0
- Youth Dependency:
- 33.4
- Old-Age Dependency:
- 37.6
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Washington County, Pennsylvania
The median age in Washington County, Pennsylvania is 44.2 years.
According to latest Census data, the total population of Washington County, Pennsylvania is 210,042.
In Washington County, Pennsylvania, seniors (ages 65+) make up 22.0% of the population, while children under 18 represent 14.7%.
Based on historical data since 2010, the population in Washington County, Pennsylvania has remained stable.