| City : | Madison |
| County : | Barnstable County, Dorchester County, Geauga County, Monroe County |
| State : | Maryland (MD) |
| | |
| Land Area : | 3.20 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 38.5089283 |
| Longitude : | -76.2042220 |
| | |
| Population (2010): | 204 |
| Population Estimate (2012) : | 133 |
| Population Density : | 63.67/sq mi |
| Housing Units (2012) : | 114 |
| Median Household Income (2012) : | $86,000 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $83,000 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $555,600 (Maryland : $304,900, USA : $181,400) |