| Index | Mercerville | New Jersey | National |
| Income per capita | $60,204 | $55,297 | $44,883 |
| Median household income | $148,520 | $108,915 | $81,333 |
| Median income owner occupied | $153,049 | $143,334 | $106,172 |
| Median income renter occupied | $97,675 | $61,880 | $52,080 |
| Median earnings male | $82,938 | $69,742 | $54,343 |
| Median earnings female | $56,899 | $46,406 | $38,439 |
| Unemployment rate | 3.6% | 5.4% | 4.9% |
| Poverty level | 4.2% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 9.1% | 9.1% |
| Manufacturing sector | 8.9% | 8.9% |
| Financial & insurance services | 5.0% | 5.0% |
| Wholesale & retail services | 16.1% | 16.1% |
| Public administration | 11.7% | 11.7% |
| Transportation, warehousing & utilities | 6.7% | 6.7% |
| Education, health & social services | 11.4% | 11.4% |
| Other | 28.9% | 28.9% |
| 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% |
| Mercerville, NJ | 13,108 | $148,520 | 82.6% |
| City | Population | Household Income | National Avg. |
| Prince Rupert, BC | 13,113 | n/a | |
| College, AK | 13,116 | $104,775 | 28.8% |
| Manorville, NY | 13,119 | $154,867 | 90.4% |
| Meadville, PA | 13,127 | $58,934 | 27.5% |
| Woodland Park, NJ | 13,086 | $120,369 | 48.0% |
| Mercerville, NJ | 13,108 | $148,520 | 82.6% |