| City : | Bel Air South |
| County : | Harford County, Lafayette County, Saline County, Washington County |
| State : | Maryland (MD) |
| | |
| Land Area : | 15.67 sq mi |
| Water Area : | 0.07 sq mi |
| Latitude : | 39.5062245 |
| Longitude : | -76.3212975 |
| | |
| Population (2010): | 47,709 |
| Population Estimate (2012) : | 46,512 |
| Population Density : | 3,045.27/sq mi |
| Housing Units (2012) : | 18,795 |
| Median Household Income (2012) : | $89,080 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $104,238 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $283,400 (Maryland : $304,900, USA : $181,400) |