| Zip Code : | 20877 |
| City : | Gaithersburg city, Montgomery Village, Redland, Rockville city, Washington Grove town |
| County : | Montgomery County |
| State : | Maryland (MD) |
| | |
| Land Area : | 5.78 sq mi |
| Water Area : | 0.03 sq mi |
| Latitude : | 39.1397032 |
| Longitude : | -77.1852380 |
| | |
| Population (2010): | 34,321 |
| Population Estimate (2012) : | 33,519 |
| Population Density : | 5,940.25/sq mi |
| Housing Units (2012) : | 12,249 |
| Median Household Income (2012) : | $64,396 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $70,641 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $327,700 (Maryland : $304,900, USA : $181,400) |