| Zip Code : | 20855 |
| City : | Derwood, Olney, Redland, Rockville city |
| County : | Montgomery County |
| State : | Maryland (MD) |
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| Land Area : | 13.11 sq mi |
| Water Area : | 0.25 sq mi |
| Latitude : | 39.1376326 |
| Longitude : | -77.1320205 |
| | |
| Population (2010): | 14,295 |
| Population Estimate (2012) : | 14,377 |
| Population Density : | 1,090.19/sq mi |
| Housing Units (2012) : | 5,018 |
| Median Household Income (2012) : | $121,392 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $131,646 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $468,700 (Maryland : $304,900, USA : $181,400) |