| Index | Harlingen | New Jersey | National |
| Income per capita | $67,948 | $36,359 | $28,555 |
| Median household income | $76,429 | $72,062 | $53,482 |
| Median income owner occupied | $76,429 | $94,365 | $68,142 |
| Median income renter occupied | $0 | $41,062 | $33,219 |
| Median earnings male | $80,781 | $47,106 | $36,116 |
| Median earnings female | $12,344 | $32,292 | $25,692 |
| Unemployment rate | 0.0% | 6.4% | 5.8% |
| Poverty level | 0.0% | 10.7% | 15.6% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 13.6% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 13.6% | 17.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 13.6% | 25.5% |
| Other | 59.3% | 31.9% |
| City, State | Population | Household Income | National Avg. |
| Pleasant Plains, NJ | 732 | $217,941 | 308% |
| Blackwells Mills, NJ | 513 | $170,441 | 219% |
| Blawenburg, NJ | 515 | $166,974 | 212% |
| Ten Mile Run, NJ | 1,774 | $162,604 | 204% |
| Cranbury, NJ | 2,347 | $145,781 | 173% |
| Harlingen, NJ | 252 | $76,429 | 43% |
| City, State | Population | Household Income | National Avg. |
| Villanueva, NM | 252 | $4,769 | 91% |
| Alpha, MN | 252 | $143,750 | 169% |
| Minto, AK | 252 | $31,875 | 40% |
| Dixie, WA | 252 | $51,875 | 3% |
| Vallonia, IN | 252 | $45,242 | 15% |
| Harlingen, NJ | 252 | $76,429 | 43% |