| Place Name | Lansdowne |
| Place Type | Census Designated Place |
| ZIP Code(s) | 20147 20175 20176 20837 |
| County | Loudoun County |
| Area Code(s) | 571,703 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 11,211 |
| Population Growth Rate (2010-19) | 10.43% |
| Majority Ethnicity | White 66.17% |
| Metro/Micro Stats Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| US Congressional District(s) | Virginia 10th |
| House of Delegates Districts | 32 |
| State Senate Districts | 33 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 66.17% |
| African American | 8.99% |
| Hispanic | 0.59% |
| Asian | 16.81% |
| Native American | 0.24% |
| Hawaiin/Pacific Islander | 7.19% |