| Place Name | Marlow Heights |
| Place Type | Census Designated Place |
| ZIP Code(s) | 20744 20745 20748 |
| County | Prince Georges County |
| Area Code(s) | 240,301 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 6,246 |
| Population Growth Rate (2010-19) | 9.81% |
| Majority Ethnicity | African American 88.03% |
| Metro/Micro Stats Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| US Congressional District(s) | Maryland 4th |
| House of Delegates Districts | 24,25 |
| State Senate Districts | 24,25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 3.51% |
| African American | 88.03% |
| Hispanic | 0.1% |
| Asian | 1.33% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 6.86% |