| Place Name | Green Valley |
| Place Type | Census Designated Place |
| ZIP Code(s) | 20871 20872 21754 21770 21771 |
| County | Frederick County |
| Area Code(s) | 240,301 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 12,391 |
| Majority Ethnicity | White 87.89% |
| Metro/Micro Stats Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| US Congressional District(s) | Maryland 8thMaryland 6th |
| House of Delegates Districts | 4 |
| State Senate Districts | 4 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.89% |
| African American | 1.72% |
| Hispanic | 0.06% |
| Asian | 4.04% |
| Native American | 0.06% |
| Hawaiin/Pacific Islander | 6.23% |