| Zip Code : | 11720 |
| City : | Centereach, Lake Ronkonkoma, Selden, Terryville |
| County : | Suffolk County |
| State : | New York (NY) |
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| Land Area : | 8.15 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.8702914 |
| Longitude : | -73.0820967 |
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| Population (2010): | 29,189 |
| Population Estimate (2012) : | 29,603 |
| Population Density : | 3,580.74/sq mi |
| Housing Units (2012) : | 9,581 |
| Median Household Income (2012) : | $94,307 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $98,803 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $356,900 (New York : $295,300, USA : $181,400) |