| Index | Green Knoll | New Jersey | National |
| Income per capita | $51,192 | $37,538 | $29,829 |
| Median household income | $130,076 | $73,702 | $55,322 |
| Median income owner occupied | $152,266 | $97,281 | $70,586 |
| Median income renter occupied | $36,128 | $42,169 | $35,192 |
| Median earnings male | $75,448 | $47,369 | $36,919 |
| Median earnings female | $40,926 | $32,116 | $26,250 |
| Unemployment rate | 1.7% | 5.2% | 4.7% |
| Poverty level | 4.9% | 10.9% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 13.6% | 13.6% |
| Manufacturing sector | 15.4% | 15.4% |
| Financial & insurance services | 11.9% | 11.9% |
| Wholesale & retail services | 10.2% | 10.2% |
| Public administration | 2.7% | 2.7% |
| Transportation, warehousing & utilities | 3.7% | 3.7% |
| Education, health & social services | 11.6% | 11.6% |
| Other | 28.5% | 28.5% |
| City | Population | Household Income | National Avg. |
| Harlingen, NJ | 481 | $240,682 | 335.1% |
| Blawenburg, NJ | 99 | $219,688 | 297.1% |
| Pleasant Plains, NJ | 627 | $211,547 | 282.4% |
| Blackwells Mills, NJ | 9,509 | $204,018 | 268.8% |
| Chatham, NJ | 8,729 | $201,923 | 265.0% |
| Green Knoll, NJ | 6,442 | $130,076 | 135.1% |
| City | Population | Household Income | National Avg. |
| Carthage, TX | 6,442 | $43,191 | 21.9% |
| Cheverly, MD | 6,439 | $99,343 | 79.6% |
| Rittman, OH | 6,439 | $47,664 | 13.8% |
| Sealy, TX | 6,439 | $58,068 | 5.0% |
| Eucalyptus Hills, CA | 6,448 | $107,639 | 94.6% |
| Green Knoll, NJ | 6,442 | $130,076 | 135.1% |
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