| Index | Marshfield | Massachusetts | National |
| Income per capita | $59,197 | $57,616 | $44,883 |
| Median household income | $142,956 | $106,188 | $81,333 |
| Median income owner occupied | $180,842 | $143,346 | $106,172 |
| Median income renter occupied | $53,420 | $57,502 | $52,080 |
| Median earnings male | $93,306 | $67,299 | $54,343 |
| Median earnings female | $66,540 | $46,306 | $38,439 |
| Unemployment rate | 2.8% | 4.8% | 4.9% |
| Poverty level | 16.3% | 11.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.9% | 13.9% |
| Manufacturing sector | 7.7% | 7.7% |
| Financial & insurance services | 10.4% | 10.4% |
| Wholesale & retail services | 12.6% | 12.6% |
| Public administration | 5.7% | 5.7% |
| Transportation, warehousing & utilities | 1.1% | 1.1% |
| Education, health & social services | 19.6% | 19.6% |
| Other | 25.3% | 25.3% |
| City | Population | Household Income | National Avg. |
| Hingham, MA | 5,987 | $261,616 | 221.7% |
| South Duxbury, MA | 3,467 | $250,053 | 207.4% |
| Marshfield Hills, MA | 2,484 | $238,970 | 193.8% |
| North Pembroke, MA | 4,293 | $214,690 | 164.0% |
| Hanson, MA | 1,932 | $174,365 | 114.4% |
| Marshfield, MA | 5,296 | $142,956 | 75.8% |
| City | Population | Household Income | National Avg. |
| Grosse Pointe, MI | 5,299 | $172,730 | 112.4% |
| South Brooksville, FL | 5,292 | $72,659 | 10.7% |
| Wolfforth, TX | 5,300 | $108,444 | 33.3% |
| Tyrone, PA | 5,291 | $64,576 | 20.6% |
| Ayden, NC | 5,290 | $79,177 | 2.7% |
| Marshfield, MA | 5,296 | $142,956 | 75.8% |