| Index | Millstone | New Jersey | National |
| Income per capita | $65,909 | $55,297 | $44,883 |
| Median household income | $248,800 | $108,915 | $81,333 |
| Median income owner occupied | $247,529 | $143,334 | $106,172 |
| Median income renter occupied | $211,239 | $61,880 | $52,080 |
| Median earnings male | $96,707 | $69,742 | $54,343 |
| Median earnings female | $77,675 | $46,406 | $38,439 |
| Unemployment rate | 2.7% | 5.4% | 4.9% |
| Poverty level | 3.5% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 44.3% | 44.3% |
| Manufacturing sector | 6.3% | 6.3% |
| Financial & insurance services | 1.6% | 1.6% |
| Wholesale & retail services | 6.8% | 6.8% |
| Public administration | 2.6% | 2.6% |
| Transportation, warehousing & utilities | 3.6% | 3.6% |
| Education, health & social services | 19.8% | 19.8% |
| Other | 12.0% | 12.0% |
| 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% |
| Millstone, NJ | 588 | $248,800 | 205.9% |
| City | Population | Household Income | National Avg. |
| Buena Vista, CA | 588 | $71,419 | 12.2% |
| Coolidge, GA | 588 | $59,789 | 26.5% |
| Newton, GA | 588 | $44,430 | 45.4% |
| Gilmore City, IA | 588 | $63,711 | 21.7% |
| Pollock, LA | 588 | $67,443 | 17.1% |
| Millstone, NJ | 588 | $248,800 | 205.9% |