| Index | Old Tappan | New Jersey | National |
| Income per capita | $79,001 | $37,538 | $29,829 |
| Median household income | $173,490 | $73,702 | $55,322 |
| Median income owner occupied | $173,958 | $97,281 | $70,586 |
| Median income renter occupied | $0 | $42,169 | $35,192 |
| Median earnings male | $114,013 | $47,369 | $36,919 |
| Median earnings female | $50,313 | $32,116 | $26,250 |
| Unemployment rate | 3.0% | 5.2% | 4.7% |
| Poverty level | 3.3% | 10.9% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 6.3% | 6.3% |
| Manufacturing sector | 12.6% | 12.6% |
| Financial & insurance services | 10.0% | 10.0% |
| Wholesale & retail services | 11.9% | 11.9% |
| Public administration | 2.7% | 2.7% |
| Transportation, warehousing & utilities | 2.9% | 2.9% |
| Education, health & social services | 15.3% | 15.3% |
| Other | 36.2% | 36.2% |
| City | Population | Household Income | National Avg. |
| Sands Point, NY | 2,785 | $250,001 | 351.9% |
| Plandome, NY | 1,346 | $250,001 | 351.9% |
| Scarsdale, NY | 17,890 | $250,001 | 351.9% |
| Rockleigh, NJ | 650 | $242,500 | 338.3% |
| Plandome Manor, NY | 702 | $237,969 | 330.2% |
| Old Tappan, NJ | 5,924 | $173,490 | 213.6% |
| City | Population | Household Income | National Avg. |
| Lewistown, MT | 5,923 | $34,065 | 38.4% |
| Selinsgrove, PA | 5,923 | $52,368 | 5.3% |
| Woods Creek, WA | 5,922 | $111,250 | 101.1% |
| Oxford, MA | 5,926 | $66,235 | 19.7% |
| Margate City, NJ | 5,921 | $101,354 | 83.2% |
| Old Tappan, NJ | 5,924 | $173,490 | 213.6% |