| Index | Marlborough | Massachusetts | National |
| Income per capita | $42,147 | $38,069 | $29,829 |
| Median household income | $83,469 | $70,954 | $55,322 |
| Median income owner occupied | $105,412 | $95,052 | $70,586 |
| Median income renter occupied | $52,729 | $39,116 | $35,192 |
| Median earnings male | $53,434 | $45,946 | $36,919 |
| Median earnings female | $38,034 | $32,028 | $26,250 |
| Unemployment rate | 3.5% | 4.6% | 4.7% |
| 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. |
| Dover, MA | 2,518 | $217,284 | 292.8% |
| Wellesley, MA | 28,747 | $213,684 | 286.3% |
| Cochituate, MA | 6,730 | $175,729 | 217.6% |
| Cordaville, MA | 2,884 | $167,593 | 202.9% |
| Medfield, MA | 6,668 | $147,868 | 167.3% |
| Marlborough, MA | 39,663 | $83,469 | 50.9% |
| City | Population | Household Income | National Avg. |
| Romeoville, IL | 39,644 | $85,888 | 55.3% |
| Indian Trail, NC | 39,644 | $86,512 | 56.4% |
| Crystal Lake, IL | 39,685 | $91,456 | 65.3% |
| Royal Palm Beach, FL | 39,615 | $83,636 | 51.2% |
| Sumter, SC | 39,758 | $40,760 | 26.3% |
| Marlborough, MA | 39,663 | $83,469 | 50.9% |