| Zip Code : | 11742 |
| City : | Holtsville |
| County : | Suffolk County |
| State : | New York (NY) |
| | |
| Land Area : | 5.00 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.8100106 |
| Longitude : | -73.0414255 |
| | |
| Population (2010): | 13,261 |
| Population Estimate (2012) : | 12,979 |
| Population Density : | 2,649.98/sq mi |
| Housing Units (2012) : | 4,798 |
| Median Household Income (2012) : | $86,197 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $106,048 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $347,300 (New York : $295,300, USA : $181,400) |