| City : | Jefferson |
| County : | Douglas County, Frederick County, Pulaski County |
| State : | Maryland (MD) |
| | |
| Land Area : | 2.10 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.3673905 |
| Longitude : | -77.5425875 |
| | |
| Population (2010): | 2,111 |
| Population Estimate (2012) : | 1,788 |
| Population Density : | 1,006.25/sq mi |
| Housing Units (2012) : | 822 |
| Median Household Income (2012) : | $109,531 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $122,386 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $347,300 (Maryland : $304,900, USA : $181,400) |