| Zip Code : | 21784 |
| City : | Eldersburg, Sykesville town |
| County : | Howard County, Carroll County |
| State : | Maryland (MD) |
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| Land Area : | 57.53 sq mi |
| Water Area : | 2.03 sq mi |
| Latitude : | 39.4010843 |
| Longitude : | -76.9737360 |
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| Population (2010): | 37,941 |
| Population Estimate (2012) : | 39,401 |
| Population Density : | 659.46/sq mi |
| Housing Units (2012) : | 13,454 |
| Median Household Income (2012) : | $100,201 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $114,555 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $375,800 (Maryland : $304,900, USA : $181,400) |