| City : | St. Leonard |
| County : | Calvert County |
| State : | Maryland (MD) |
| Land Area : | 2.28 sq mi |
| Water Area : | 0.03 sq mi |
| Latitude : | 38.4673110 |
| Longitude : | -76.4985758 |
| Population (2010): | 742 |
| Population Estimate (2012) : | 795 |
| Population Density : | 325.55/sq mi |
| Housing Units (2012) : | 252 |
| Median Household Income (2012) : | $91,115 (Maryland : $72,999, USA : $53,046) |
| Median Family Income (2012) : | $91,689 (Maryland : $88,092, USA : $64,585) |
| Median House Price (2012) : | $367,900 (Maryland : $304,900, USA : $181,400) |