| Place Name | Jefferson |
| Place Type | Census Designated Place |
| ZIP Code(s) | 21755 |
| County | Frederick County |
| Area Code(s) | 240,301 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,788 |
| Population Growth Rate (2010-19) | 27.76% |
| Majority Ethnicity | White 88% |
| Metro/Micro Stats Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| US Congressional District(s) | Maryland 6thMaryland 8th |
| House of Delegates Districts | 3B |
| State Senate Districts | 3 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88% |
| African American | 2.74% |
| Hispanic | 0.12% |
| Asian | 3.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.82% |