| Index | Marlborough | Massachusetts | National |
| Income per capita | $63,124 | $57,616 | $44,883 |
| Median household income | $123,192 | $106,188 | $81,333 |
| Median income owner occupied | $156,908 | $143,346 | $106,172 |
| Median income renter occupied | $80,068 | $57,502 | $52,080 |
| Median earnings male | $77,986 | $67,299 | $54,343 |
| Median earnings female | $56,575 | $46,306 | $38,439 |
| Unemployment rate | 3.7% | 4.8% | 4.9% |
| Poverty level | 7.2% | 11.4% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 13.6% | 13.6% |
| Manufacturing sector | 16.8% | 16.8% |
| Financial & insurance services | 2.9% | 2.9% |
| Wholesale & retail services | 13.7% | 13.7% |
| Public administration | 3.3% | 3.3% |
| Transportation, warehousing & utilities | 7.7% | 7.7% |
| Education, health & social services | 8.7% | 8.7% |
| Other | 29.2% | 29.2% |
| City | Population | Household Income | National Avg. |
| Wellesley, MA | 29,744 | $322,415 | 296.4% |
| Dover, MA | 2,612 | $319,331 | 292.6% |
| Cochituate, MA | 6,978 | $262,151 | 222.3% |
| Cordaville, MA | 2,982 | $252,385 | 210.3% |
| Medfield, MA | 6,867 | $220,774 | 171.4% |
| Marlborough, MA | 40,753 | $123,192 | 51.5% |
| City | Population | Household Income | National Avg. |
| Sumter, SC | 40,739 | $61,655 | 24.2% |
| Germantown, TN | 40,725 | $182,733 | 124.7% |
| Crystal Lake, IL | 40,724 | $136,941 | 68.4% |
| Essex, MD | 40,724 | $88,588 | 8.9% |
| New Berlin, WI | 40,724 | $129,824 | 59.6% |
| Marlborough, MA | 40,753 | $123,192 | 51.5% |