| City : | Greenlawn |
| County : | Suffolk County |
| State : | New York (NY) |
| Land Area : | 3.72 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.8640948 |
| Longitude : | -73.3634273 |
| Population (2010): | 13,742 |
| Population Estimate (2012) : | 13,565 |
| Population Density : | 3,692.46/sq mi |
| Housing Units (2012) : | 4,722 |
| Median Household Income (2012) : | $95,833 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $117,039 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $450,700 (New York : $295,300, USA : $181,400) |