| Zip Code : | 20833 |
| City : | Ashton-Sandy Spring, Brookeville town, Olney |
| County : | Howard County, Montgomery County |
| State : | Maryland (MD) |
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| Land Area : | 19.24 sq mi |
| Water Area : | 0.99 sq mi |
| Latitude : | 39.2071747 |
| Longitude : | -77.0546701 |
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| Population (2010): | 7,735 |
| Population Estimate (2012) : | 7,698 |
| Population Density : | 401.99/sq mi |
| Housing Units (2012) : | 2,545 |
| Median Household Income (2012) : | $133,080 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $139,511 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $601,100 (Maryland : $304,900, USA : $181,400) |