| Index | Harlingen | New Jersey | National |
| Income per capita | $99,916 | $37,538 | $29,829 |
| Median household income | $240,682 | $73,702 | $55,322 |
| Median income owner occupied | $240,682 | $97,281 | $70,586 |
| Median income renter occupied | $0 | $42,169 | $35,192 |
| Median earnings male | $0 | $47,369 | $36,919 |
| Median earnings female | $131,288 | $32,116 | $26,250 |
| Unemployment rate | 2.3% | 5.2% | 4.7% |
| Poverty level | 0.0% | 10.9% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 5.4% | 5.4% |
| Manufacturing sector | 28.9% | 28.9% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 12.1% | 12.1% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 6.7% | 6.7% |
| Other | 47.0% | 47.0% |
| City | Population | Household Income | National Avg. |
| Princeton Junction, NJ | 1,989 | $228,357 | 312.8% |
| Blawenburg, NJ | 99 | $219,688 | 297.1% |
| Pleasant Plains, NJ | 627 | $211,547 | 282.4% |
| Cranbury, NJ | 2,213 | $210,486 | 280.5% |
| Blackwells Mills, NJ | 9,509 | $204,018 | 268.8% |
| Harlingen, NJ | 481 | $240,682 | 335.1% |
| City | Population | Household Income | National Avg. |
| Pleasant Groves, AL | 481 | $51,169 | 7.5% |
| Newell, CA | 481 | $31,438 | 43.2% |
| Manilla, IN | 481 | $44,688 | 19.2% |
| Kensington, KS | 481 | $52,083 | 5.9% |
| Scandia, KS | 481 | $50,391 | 8.9% |
| Harlingen, NJ | 481 | $240,682 | 335.1% |
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