| Zip Code : | 21050 |
| City : | Bel Air North, Fallston, Jarrettsville |
| County : | Harford County |
| State : | Maryland (MD) |
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| Land Area : | 28.41 sq mi |
| Water Area : | 0.11 sq mi |
| Latitude : | 39.5853432 |
| Longitude : | -76.3921644 |
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| Population (2010): | 18,202 |
| Population Estimate (2012) : | 18,954 |
| Population Density : | 640.62/sq mi |
| Housing Units (2012) : | 6,609 |
| Median Household Income (2012) : | $90,469 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $101,478 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $347,500 (Maryland : $304,900, USA : $181,400) |