| Name | City of Fairfax |
| State | Virginia |
| FIPS Code | 51600 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 22,712 |
| Population Growth Rate(2000-2022) | 7.01% |
| Majority Ethnicity | White 71.77% |
| Partisan Voting Index | Democratic:+18 |
| Unemployment Rate (January 2025) | 2.7% |
| Area Code(s) | 571 / 703 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 71.77% |
| African American | 7.07% |
| Hispanic | 0.15% |
| Asian | 21.01% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |