| Population | 273 |
| Square Miles | 0.56 |
| Population Density | 488.37 |
| Median Age | 45 |
| Median Household Income | $59,750 |
| Per Capita Income | $24,382 |
| Median Rent | $392 |
| Percent Renters | 11% |
| Median Rosemont, MD For Sale Price: | $299,000 |
| 2 Bedroom For Sale Median Price: | $150,000 |
| 3 Bedroom For Sale Median Price: | $319,900 |
| 4 Bedroom For Sale Median Price: | $165,000 |