| City : | Yaphank |
| County : | Suffolk County |
| State : | New York (NY) |
| Land Area : | 13.65 sq mi |
| Water Area : | 0.12 sq mi |
| Latitude : | 40.8316524 |
| Longitude : | -72.9237604 |
| Population (2010): | 5,945 |
| Population Estimate (2012) : | 5,869 |
| Population Density : | 435.57/sq mi |
| Housing Units (2012) : | 1,961 |
| Median Household Income (2012) : | $92,656 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $105,024 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $326,500 (New York : $295,300, USA : $181,400) |