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> New Jersey > Mercer County
| County : | Mercer County |
| State : | New Jersey (NJ) |
| Land Area : | 224.56 sq mi |
| Water Area : | 4.33 sq mi |
| Latitude : | 40.2825027 |
| Longitude : | -74.7037240 |
| Population (2010): | 366,513 |
| Population Estimate (2012) : | 366,442 |
| Population Density : | 1,632.17/sq mi |
| Housing Units (2012) : | 143,169 |
| Median Household Income (2012) : | $73,759 (New Jersey : $71,637, USA : $53,046) |
| Median Family Income (2012) : | $94,002 (New Jersey : $87,389, USA : $64,585) |
| Median House Price (2012) : | $293,100 (New Jersey : $337,900, USA : $181,400) |
Mercer County Cities / Towns
| Groveville (2,945) | Hamilton Square (12,784) | Hightstown Borough (5,494) |
| Hopewell Borough (1,922) | Lawrenceville (3,887) | Mercerville (13,230) |
| Pennington Borough (2,585) | Princeton Borough (12,307) | Princeton Junction (2,465) |
| Robbinsville (3,041) | Trenton City (84,913) | Twin Rivers (7,443) |
| White Horse (9,494) | Yardville (7,186) |
Mercer County Zip Codes
| 08501 (6,582) | 08512 (10,105) | 08520 (27,869) |
| 08525 (4,767) | 08530 (8,071) | 08534 (12,929) |
| 08540 (47,115) | 08542 (5,189) | 08550 (19,445) |
| 08558 (6,629) | 08560 (3,656) | 08561 (226) |
| 08608 (983) | 08609 (13,546) | 08610 (30,468) |
| 08611 (28,038) | 08618 (38,229) | 08619 (22,723) |
| 08620 (14,693) | 08628 (9,054) | 08629 (12,331) |
| 08638 (22,832) | 08648 (32,263) | 08690 (18,567) |
| 08691 (15,104) |