| Index | Plymouth | Massachusetts | National |
| Income per capita | $70,675 | $57,616 | $44,883 |
| Median household income | $96,172 | $106,188 | $81,333 |
| Median income owner occupied | $111,795 | $143,346 | $106,172 |
| Median income renter occupied | $71,795 | $57,502 | $52,080 |
| Median earnings male | $80,671 | $67,299 | $54,343 |
| Median earnings female | $42,745 | $46,306 | $38,439 |
| Unemployment rate | 4.0% | 4.8% | 4.9% |
| Poverty level | 5.9% | 11.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 12.0% | 12.0% |
| Manufacturing sector | 10.0% | 10.0% |
| Financial & insurance services | 4.5% | 4.5% |
| Wholesale & retail services | 16.5% | 16.5% |
| Public administration | 11.4% | 11.4% |
| Transportation, warehousing & utilities | 3.3% | 3.3% |
| Education, health & social services | 14.4% | 14.4% |
| Other | 27.3% | 27.3% |
| City | Population | Household Income | National Avg. |
| 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% |
| Duxbury, MA | 1,774 | $173,439 | 113.2% |
| Plymouth, MA | 7,166 | $96,172 | 18.2% |
| City | Population | Household Income | National Avg. |
| La Junta, CO | 7,166 | $73,303 | 9.9% |
| Noble, OK | 7,170 | $124,204 | 52.7% |
| Mila Doce, TX | 7,161 | $44,876 | 44.8% |
| Selma, NC | 7,159 | $34,341 | 57.8% |
| Taber, AB | 7,159 | n/a | |
| Plymouth, MA | 7,166 | $96,172 | 18.2% |