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> New Jersey > Zip Code 08540
| Zip Code : | 08540 |
| City : | East Rocky Hill, Griggstown, Heathcote, Kendall Park, Kingston, Princeton borough, Princeton Junction, Ten Mile Run |
| County : | Mercer County, Middlesex County, Somerset County |
| State : | New Jersey (NJ) |
| Land Area : | 51.92 sq mi |
| Water Area : | 1.01 sq mi |
| Latitude : | 40.3630103 |
| Longitude : | -74.6553213 |
| Population (2010): | 47,115 |
| Population Estimate (2012) : | 47,204 |
| Population Density : | 907.52/sq mi |
| Housing Units (2012) : | 18,408 |
| Median Household Income (2012) : | $123,262 (New Jersey : $71,637, USA : $53,046) |
| Median Family Income (2012) : | $156,212 (New Jersey : $87,389, USA : $64,585) |
| Median House Price (2012) : | $571,000 (New Jersey : $337,900, USA : $181,400) |