Prince William County, Virginia Age & Gender Distribution (2024)
Population distribution by age and gender for Prince William County, Virginia
Prince William County, Virginia Age & Gender Statistics (2024)
Total Population
488,880
Median Age
36.3
Male Median
35.6
Female Median
37.0
Prince William County, Virginia Population Growth

Prince William County, Virginia Demographic Trend
Since 2010, the population of has changed by +28.9%%.
+28.9%% Growth
Prince William County, Virginia Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Prince William County, Virginia Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 36.3 | 488,880 |
| 2023 | 36.0 | 484,625 |
| 2022 | 35.8 | 481,114 |
| 2021 | 35.7 | 477,224 |
| 2020 | 35.4 | 466,834 |
| 2019 | 35.2 | 461,423 |
| 2018 | 34.9 | 456,749 |
| 2017 | 34.7 | 450,763 |
| 2016 | 34.4 | 443,630 |
| 2015 | 34.0 | 437,271 |
| 2014 | 33.7 | 428,772 |
| 2013 | 33.5 | 416,668 |
| 2012 | 33.5 | 404,011 |
| 2011 | 33.4 | 391,439 |
| 2010 | 33.3 | 379,415 |
Prince William County, Virginia Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.7% |
| 5–17 | 19.7% |
| 18–24 | 8.9% |
| 25–34 | 12.8% |
| 35–54 | 28.9% |
| 55–64 | 11.7% |
| 65+ | 11.3% |
Dependency Ratios for Prince William County, Virginia
- Total Dependency Ratio:
- 60.6
- Youth Dependency:
- 42.4
- Old-Age Dependency:
- 18.2
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Prince William County, Virginia
The median age in Prince William County, Virginia is 36.3 years.
According to latest Census data, the total population of Prince William County, Virginia is 488,880.
In Prince William County, Virginia, seniors (ages 65+) make up 11.3% of the population, while children under 18 represent 19.7%.
Based on historical data since 2010, the population in Prince William County, Virginia is aging.