| Zip Code : | 21220 |
| City : | Bowleys Quarters, Essex, Middle River, Rossville |
| County : | Baltimore County |
| State : | Maryland (MD) |
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| Land Area : | 21.55 sq mi |
| Water Area : | 6.49 sq mi |
| Latitude : | 39.3473149 |
| Longitude : | -76.3900086 |
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| Population (2010): | 39,199 |
| Population Estimate (2012) : | 39,313 |
| Population Density : | 1,818.67/sq mi |
| Housing Units (2012) : | 16,245 |
| Median Household Income (2012) : | $57,855 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $67,585 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $210,200 (Maryland : $304,900, USA : $181,400) |