| Index | Northfield | Massachusetts | National |
| Income per capita | $43,461 | $38,069 | $29,829 |
| Median household income | $49,643 | $70,954 | $55,322 |
| Median income owner occupied | $86,638 | $95,052 | $70,586 |
| Median income renter occupied | $14,659 | $39,116 | $35,192 |
| Median earnings male | $51,053 | $45,946 | $36,919 |
| Median earnings female | $28,194 | $32,028 | $26,250 |
| Unemployment rate | 1.2% | 4.6% | 4.7% |
| Poverty level | 6.3% | 11.4% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 6.4% | 6.4% |
| Manufacturing sector | 7.2% | 7.2% |
| Financial & insurance services | 5.1% | 5.1% |
| Wholesale & retail services | 14.0% | 14.0% |
| Public administration | 18.2% | 18.2% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 28.8% | 28.8% |
| Other | 20.3% | 20.3% |
| City | Population | Household Income | National Avg. |
| West Swanzey, NH | 1,180 | $73,026 | 32.0% |
| Hinsdale, NH | 1,470 | $59,341 | 7.3% |
| Orange, MA | 3,882 | $58,255 | 5.3% |
| Marlborough, NH | 1,093 | $55,875 | 1.0% |
| Troy, NH | 857 | $55,859 | 1.0% |
| Northfield, MA | 970 | $49,643 | 10.3% |
| City | Population | Household Income | National Avg. |
| Klamath, CA | 970 | $40,560 | 26.7% |
| Oaktown, IN | 970 | $0 | 100.0% |
| Spearville, KS | 970 | $61,281 | 10.8% |
| Lakes of the North, MI | 970 | $53,273 | 3.7% |
| Copan, OK | 970 | $30,368 | 45.1% |
| Northfield, MA | 970 | $49,643 | 10.3% |