| City : | Green Knoll |
| County : | Somerset County |
| State : | New Jersey (NJ) |
| | |
| Land Area : | 4.71 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.6047253 |
| Longitude : | -74.6145107 |
| | |
| Population (2010): | 6,200 |
| Population Estimate (2012) : | 5,669 |
| Population Density : | 1,317.19/sq mi |
| Housing Units (2012) : | 2,521 |
| Median Household Income (2012) : | $105,000 (New Jersey : $71,637, USA : $53,046) |
| Median Family Income (2012) : | $129,250 (New Jersey : $87,389, USA : $64,585) |
| Median House Price (2012) : | $454,300 (New Jersey : $337,900, USA : $181,400) |