| Zip Code : | 11777 |
| City : | Mount Sinai, Port Jefferson village, Port Jefferson Station, Setauket-East Setauket, Belle Terre village |
| County : | Suffolk County |
| State : | New York (NY) |
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| Land Area : | 4.36 sq mi |
| Water Area : | 2.10 sq mi |
| Latitude : | 40.9560682 |
| Longitude : | -73.0666592 |
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| Population (2010): | 8,968 |
| Population Estimate (2012) : | 9,453 |
| Population Density : | 2,056.37/sq mi |
| Housing Units (2012) : | 3,732 |
| Median Household Income (2012) : | $109,128 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $137,045 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $538,300 (New York : $295,300, USA : $181,400) |