| Index | North Plymouth | Massachusetts | National |
| Income per capita | $42,478 | $57,616 | $44,883 |
| Median household income | $77,122 | $106,188 | $81,333 |
| Median income owner occupied | $117,472 | $143,346 | $106,172 |
| Median income renter occupied | $66,204 | $57,502 | $52,080 |
| Median earnings male | $55,516 | $67,299 | $54,343 |
| Median earnings female | $46,006 | $46,306 | $38,439 |
| Unemployment rate | 11.8% | 4.8% | 4.9% |
| Poverty level | 16.8% | 11.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.2% | 11.2% |
| Manufacturing sector | 4.8% | 4.8% |
| Financial & insurance services | 2.2% | 2.2% |
| Wholesale & retail services | 17.4% | 17.4% |
| Public administration | 5.0% | 5.0% |
| Transportation, warehousing & utilities | 5.9% | 5.9% |
| Education, health & social services | 9.2% | 9.2% |
| Other | 43.2% | 43.2% |
| 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% |
| North Plymouth, MA | 4,378 | $77,122 | 5.2% |
| City | Population | Household Income | National Avg. |
| Indian River Shores, FL | 4,378 | $232,545 | 185.9% |
| Meadow Lake, NM | 4,378 | $57,321 | 29.5% |
| Adamsville, AL | 4,377 | $66,610 | 18.1% |
| Holmes Beach, FL | 4,379 | $91,076 | 12.0% |
| Orangetree, FL | 4,379 | $149,252 | 83.5% |
| North Plymouth, MA | 4,378 | $77,122 | 5.2% |