| Place Name | Rosaryville |
| Place Type | Census Designated Place |
| ZIP Code(s) | 20613 20623 20735 20772 |
| County | Prince Georges County |
| Area Code(s) | 240,301 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 11,746 |
| Population Growth Rate (2010-19) | 7.96% |
| Majority Ethnicity | African American 87.79% |
| Metro/Micro Stats Area | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| US Congressional District(s) | Maryland 5th |
| House of Delegates Districts | 25,23B,27B |
| State Senate Districts | 23,25,27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 8.3% |
| African American | 87.79% |
| Hispanic | 0% |
| Asian | 1.36% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.55% |