| City : | Middle Island |
| County : | Suffolk County |
| State : | New York (NY) |
| | |
| Land Area : | 8.24 sq mi |
| Water Area : | 0.06 sq mi |
| Latitude : | 40.8857460 |
| Longitude : | -72.9454855 |
| | |
| Population (2010): | 10,483 |
| Population Estimate (2012) : | 10,026 |
| Population Density : | 1,272.33/sq mi |
| Housing Units (2012) : | 4,479 |
| Median Household Income (2012) : | $68,446 (New York : $57,683, USA : $53,046) |
| Median Family Income (2012) : | $78,214 (New York : $69,968, USA : $64,585) |
| Median House Price (2012) : | $287,900 (New York : $295,300, USA : $181,400) |