| City : | Adelphi |
| County : | Honolulu County, Orleans County, Prince George's County |
| State : | Maryland (MD) |
| | |
| Land Area : | 2.74 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 38.9965942 |
| Longitude : | -76.9660949 |
| | |
| Population (2010): | 15,086 |
| Population Estimate (2012) : | 15,045 |
| Population Density : | 5,508.21/sq mi |
| Housing Units (2012) : | 5,526 |
| Median Household Income (2012) : | $58,709 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $60,830 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $252,300 (Maryland : $304,900, USA : $181,400) |