| Name | Fairfax County |
| State | Virginia |
| FIPS Code | 51059 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,083,770 |
| Population Growth Rate(2000-2022) | 6.34% |
| Majority Ethnicity | White 63.9% |
| Public School Majority Ethnicity | White 37% |
| Partisan Voting Index | Strongly Democratic:+21 |
| Unemployment Rate (December 2024) | 2.6% |
| Area Code(s) | 571 / 703 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 63.9% |
| African American | 11.64% |
| Hispanic | 0.46% |
| Asian | 23.86% |
| Native American | 0.07% |
| Hawaiin/Pacific Islander | 0.07% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 36.7% |
| African American | 9.76% |
| Hispanic | 27.78% |
| Asian | 19.09% |
| Native American | 0.28% |
| Hawaiin/Pacific Islander | 0.11% |