| City : | Marshfield |
| County : | Plymouth County, Rio Arriba County, Sioux County |
| State : | Massachusetts (MA) |
| | |
| Land Area : | 5.07 sq mi |
| Water Area : | 0.08 sq mi |
| Latitude : | 42.1021280 |
| Longitude : | -70.6889495 |
| | |
| Population (2010): | 4,335 |
| Population Estimate (2012) : | 4,401 |
| Population Density : | 855.52/sq mi |
| Housing Units (2012) : | 1,856 |
| Median Household Income (2012) : | $77,243 (Massachusetts : $66,658, USA : $53,046) |
| Median Family Income (2012) : | $107,347 (Massachusetts : $84,380, USA : $64,585) |
| Median House Price (2012) : | $388,400 (Massachusetts : $335,500, USA : $181,400) |