| Index | Middlesex | New Jersey | National |
| Income per capita | $55,930 | $55,297 | $44,883 |
| Median household income | $126,683 | $108,915 | $81,333 |
| Median income owner occupied | $139,401 | $143,334 | $106,172 |
| Median income renter occupied | $71,189 | $61,880 | $52,080 |
| Median earnings male | $75,311 | $69,742 | $54,343 |
| Median earnings female | $58,761 | $46,406 | $38,439 |
| Unemployment rate | 3.9% | 5.4% | 4.9% |
| Poverty level | 10.1% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 14.4% | 14.4% |
| Manufacturing sector | 11.3% | 11.3% |
| Financial & insurance services | 4.8% | 4.8% |
| Wholesale & retail services | 18.8% | 18.8% |
| Public administration | 0.9% | 0.9% |
| Transportation, warehousing & utilities | 7.0% | 7.0% |
| Education, health & social services | 14.3% | 14.3% |
| Other | 26.0% | 26.0% |
| City | Population | Household Income | National Avg. |
| Short Hills, NJ | 14,190 | $375,147 | 361.2% |
| Harlingen, NJ | 492 | $362,607 | 345.8% |
| Blawenburg, NJ | 101 | $332,214 | 308.5% |
| Pleasant Plains, NJ | 643 | $316,694 | 289.4% |
| Blackwells Mills, NJ | 9,882 | $298,230 | 266.7% |
| Middlesex, NJ | 14,149 | $126,683 | 55.8% |
| City | Population | Household Income | National Avg. |
| Allouez, WI | 14,152 | $103,874 | 27.7% |
| Wood Dale, IL | 14,145 | $113,750 | 39.9% |
| Moberly, MO | 14,143 | $59,041 | 27.4% |
| Chaparral, NM | 14,155 | $45,796 | 43.7% |
| Glenpool, OK | 14,140 | $103,094 | 26.8% |
| Middlesex, NJ | 14,149 | $126,683 | 55.8% |