Fairfax County's estimated 2026 population is 1,175,940 with a growth rate of 0.69% in the past year according to the most recent United States census data. Fairfax County is the largest county in Virginia. The 2010 population was 1,086,165 and has seen a growth of 8.27% since that time.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 39.9 years
Male: 38.3 years
There are 885,527 adults, (171,935 of whom are seniors) in Fairfax County.
Female: 574,634 (50.1%)
Male: 573,203 (49.9%)
The racial composition of Fairfax County includes 49.14% White, 19.95% Asian, 9.62% Black or African American, 7.34% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 564,082 | 49.14% |
| Asian | 228,940 | 19.95% |
| Two or more races | 153,679 | 13.39% |
| Black or African American | 110,478 | 9.62% |
| Other race | 84,304 | 7.34% |
| Native American | 5,846 | 0.51% |
| Native Hawaiian or Pacific Islander | 508 | 0.04% |
Fairfax County's average per capita income is $86,257. Household income levels show a median of $153,637. The poverty rate stands at 5.94%.
Name | Median | Mean |
|---|---|---|
| Married Families | $204,105 | $247,702 |
| Families | $183,217 | $225,060 |
| Households | $153,637 | $195,941 |
| Non Families | $98,625 | $121,562 |
Average Income
Median Household Income
Poverty Rate
