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> New Jersey > Zip Code 08820
| Zip Code : | 08820 |
| City : | South Plainfield borough |
| County : | Middlesex County |
| State : | New Jersey (NJ) |
| Land Area : | 10.30 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 40.5768059 |
| Longitude : | -74.3657500 |
| Population (2010): | 39,590 |
| Population Estimate (2012) : | 38,759 |
| Population Density : | 3,844.02/sq mi |
| Housing Units (2012) : | 13,557 |
| Median Household Income (2012) : | $114,933 (New Jersey : $71,637, USA : $53,046) |
| Median Family Income (2012) : | $125,886 (New Jersey : $87,389, USA : $64,585) |
| Median House Price (2012) : | $456,500 (New Jersey : $337,900, USA : $181,400) |