| Index | Blackwells Mills | New Jersey | National |
| Income per capita | $102,724 | $55,297 | $44,883 |
| Median household income | $298,230 | $108,915 | $81,333 |
| Median income owner occupied | $305,928 | $143,334 | $106,172 |
| Median income renter occupied | $376,102 | $61,880 | $52,080 |
| Median earnings male | $172,007 | $69,742 | $54,343 |
| Median earnings female | $75,119 | $46,406 | $38,439 |
| Unemployment rate | 2.8% | 5.4% | 4.9% |
| Poverty level | 1.6% | 10.9% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 4.0% | 4.0% |
| Manufacturing sector | 15.8% | 15.8% |
| Financial & insurance services | 9.3% | 9.3% |
| Wholesale & retail services | 14.2% | 14.2% |
| Public administration | 6.0% | 6.0% |
| Transportation, warehousing & utilities | 5.1% | 5.1% |
| Education, health & social services | 8.5% | 8.5% |
| Other | 33.3% | 33.3% |
| City | Population | Household Income | National Avg. |
| Harlingen, NJ | 492 | $362,607 | 345.8% |
| Princeton Junction, NJ | 2,052 | $341,742 | 320.2% |
| Blawenburg, NJ | 101 | $332,214 | 308.5% |
| Pleasant Plains, NJ | 643 | $316,694 | 289.4% |
| Cranbury, NJ | 2,281 | $316,184 | 288.8% |
| Blackwells Mills, NJ | 9,882 | $298,230 | 266.7% |
| City | Population | Household Income | National Avg. |
| Hermantown, MN | 9,881 | $119,393 | 46.8% |
| Bardmoor, FL | 9,880 | $116,328 | 43.0% |
| Alderwood Manor, WA | 9,880 | $150,882 | 85.5% |
| Pleasant Grove, AL | 9,886 | $93,667 | 15.2% |
| Lititz, PA | 9,877 | $104,917 | 29.0% |
| Blackwells Mills, NJ | 9,882 | $298,230 | 266.7% |