| Place Name | Chantilly |
| Place Type | Census Designated Place |
| ZIP Code(s) | 20151 |
| GEOID | 5114744 |
| County | Fairfax County |
| Area Code(s) | 571,703 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 23,564 |
| Population Growth Rate (2010-19) | 5.48% |
| Majority Ethnicity | White 41.1% |
| Metro/Micro Stats Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| US Congressional District(s) | Virginia 10th |
| House of Delegates Districts | 67,86 |
| State Senate Districts | 32,33,34,37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 41.1% |
| African American | 4.43% |
| Hispanic | 0% |
| Asian | 35.06% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 19.41% |