| City : | Mastic Beach |
| County : | Suffolk County |
| State : | New York (NY) |
| Land Area : | 4.71 sq mi |
| Water Area : | 0.26 sq mi |
| Latitude : | 40.7675917 |
| Longitude : | -72.8375585 |
| Population (2010): | 12,930 |
| Population Estimate (2012) : | 15,002 |
| Population Density : | 2,742.39/sq mi |
| Housing Units (2012) : | 4,889 |
| Median Household Income (2012) : | $69,162 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $74,339 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $224,900 (New York : $295,300, USA : $181,400) |