Fairfax County, Virginia Age & Gender Distribution (2024)
Population distribution by age and gender for Fairfax County, Virginia
Fairfax County, Virginia Age & Gender Statistics (2024)
Total Population
1,147,837
Median Age
39.1
Male Median
38.3
Female Median
39.9
Fairfax County, Virginia Population Growth
Fairfax County, Virginia Demographic Trend
Since 2010, the population of has changed by +9.5%%.
+9.5%% Growth
Fairfax County, Virginia Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Fairfax County, Virginia Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.1 | 1,147,837 |
| 2023 | 38.9 | 1,144,474 |
| 2022 | 38.6 | 1,145,354 |
| 2021 | 38.3 | 1,146,825 |
| 2020 | 38.1 | 1,149,439 |
| 2019 | 38.0 | 1,145,862 |
| 2018 | 37.9 | 1,143,529 |
| 2017 | 37.9 | 1,142,004 |
| 2016 | 37.6 | 1,132,887 |
| 2015 | 37.4 | 1,128,722 |
| 2014 | 37.4 | 1,117,072 |
| 2013 | 37.4 | 1,101,071 |
| 2012 | 37.5 | 1,083,770 |
| 2011 | 37.4 | 1,064,735 |
| 2010 | 37.3 | 1,048,554 |
Fairfax County, Virginia Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.8% |
| 5–17 | 17.1% |
| 18–24 | 8.3% |
| 25–34 | 13.1% |
| 35–54 | 28.3% |
| 55–64 | 12.5% |
| 65+ | 15.0% |
Dependency Ratios for Fairfax County, Virginia
- Total Dependency Ratio:
- 60.9
- Youth Dependency:
- 36.8
- Old-Age Dependency:
- 24.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Fairfax County, Virginia
The median age in Fairfax County, Virginia is 39.1 years.
According to latest Census data, the total population of Fairfax County, Virginia is 1,147,837.
In Fairfax County, Virginia, seniors (ages 65+) make up 15.0% of the population, while children under 18 represent 17.1%.
Based on historical data since 2010, the population in Fairfax County, Virginia is aging.