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> New Jersey > North Plainfield Borough
| City : | North Plainfield Borough |
| County : | Somerset County |
| State : | New Jersey (NJ) |
| Land Area : | 2.79 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 40.6212554 |
| Longitude : | -74.4394664 |
| Population (2010): | 21,936 |
| Population Estimate (2012) : | 21,960 |
| Population Density : | 7,850.02/sq mi |
| Housing Units (2012) : | 7,848 |
| Median Household Income (2012) : | $63,787 (New Jersey : $71,637, USA : $53,046) |
| Median Family Income (2012) : | $68,885 (New Jersey : $87,389, USA : $64,585) |
| Median House Price (2012) : | $288,700 (New Jersey : $337,900, USA : $181,400) |