| Index | Monmouth Junction | New Jersey | National |
| Income per capita | $77,192 | $55,297 | $44,883 |
| Median household income | $178,878 | $108,915 | $81,333 |
| Median income owner occupied | $264,315 | $143,334 | $106,172 |
| Median income renter occupied | $129,135 | $61,880 | $52,080 |
| Median earnings male | $131,447 | $69,742 | $54,343 |
| Median earnings female | $62,228 | $46,406 | $38,439 |
| Unemployment rate | 1.6% | 5.4% | 4.9% |
| Poverty level | 4.1% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 2.4% | 2.4% |
| Manufacturing sector | 19.7% | 19.7% |
| Financial & insurance services | 11.9% | 11.9% |
| Wholesale & retail services | 10.4% | 10.4% |
| Public administration | 8.2% | 8.2% |
| Transportation, warehousing & utilities | 9.9% | 9.9% |
| Education, health & social services | 5.0% | 5.0% |
| Other | 29.2% | 29.2% |
| 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% |
| Monmouth Junction, NJ | 9,258 | $178,878 | 119.9% |
| City | Population | Household Income | National Avg. |
| St. Anthony, MN | 9,260 | $127,305 | 56.5% |
| Summit, WA | 9,253 | $119,447 | 46.9% |
| Terrace Heights, WA | 9,253 | $104,615 | 28.6% |
| Spanish Fort, AL | 9,251 | $127,003 | 56.2% |
| Chanute, KS | 9,251 | $67,947 | 16.5% |
| Monmouth Junction, NJ | 9,258 | $178,878 | 119.9% |