| Index | Barnum Island | New York | National |
| Income per capita | $65,438 | $51,391 | $44,883 |
| Median household income | $153,838 | $89,985 | $81,333 |
| Median income owner occupied | $160,862 | $125,982 | $106,172 |
| Median income renter occupied | $31,047 | $58,659 | $52,080 |
| Median earnings male | $77,970 | $59,465 | $54,343 |
| Median earnings female | $43,362 | $44,739 | $38,439 |
| Unemployment rate | 6.9% | 5.0% | 4.9% |
| Poverty level | 7.9% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 25.6% | 25.6% |
| Manufacturing sector | 13.2% | 13.2% |
| Financial & insurance services | 6.7% | 6.7% |
| Wholesale & retail services | 3.8% | 3.8% |
| Public administration | 9.3% | 9.3% |
| Transportation, warehousing & utilities | 12.1% | 12.1% |
| Education, health & social services | 13.7% | 13.7% |
| Other | 14.5% | 14.5% |
| City | Population | Household Income | National Avg. |
| Munsey Park, NY | 2,760 | $379,337 | 366.4% |
| Hewlett Harbor, NY | 981 | $378,763 | 365.7% |
| Plandome, NY | 1,397 | $375,731 | 362.0% |
| Woodsburgh, NY | 841 | $374,098 | 360.0% |
| Roslyn Estates, NY | 1,426 | $373,570 | 359.3% |
| Barnum Island, NY | 2,675 | $153,838 | 89.1% |
| City | Population | Household Income | National Avg. |
| Mountain View CDP, CA | 2,675 | $96,435 | 18.6% |
| Missouri Valley, IA | 2,675 | $80,281 | 1.3% |
| Jefferson, MD | 2,675 | $170,522 | 109.7% |
| Devola, OH | 2,674 | $110,009 | 35.3% |
| Cabool, MO | 2,676 | $44,844 | 44.9% |
| Barnum Island, NY | 2,675 | $153,838 | 89.1% |