| Index | Shelter Island | New York | National |
| Income per capita | $49,320 | $34,212 | $29,829 |
| Median household income | $97,447 | $60,741 | $55,322 |
| Median income owner occupied | $127,232 | $83,277 | $70,586 |
| Median income renter occupied | $0 | $38,983 | $35,192 |
| Median earnings male | $79,643 | $40,464 | $36,919 |
| Median earnings female | $80,121 | $30,906 | $26,250 |
| Unemployment rate | 0.0% | 4.8% | 4.7% |
| Poverty level | 8.8% | 15.5% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 12.7% | 12.7% |
| Wholesale & retail services | 3.9% | 3.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 12.0% | 12.0% |
| Education, health & social services | 6.3% | 6.3% |
| Other | 65.2% | 65.2% |
| City | Population | Household Income | National Avg. |
| Water Mill, NY | 1,860 | $170,139 | 207.5% |
| Northwest Harbor, NY | 4,138 | $165,688 | 199.5% |
| Wainscott, NY | 342 | $149,450 | 170.1% |
| North Haven, NY | 852 | $140,625 | 154.2% |
| Shinnecock Hills, NY | 1,575 | $139,542 | 152.2% |
| Shelter Island, NY | 1,980 | $97,447 | 76.1% |
| City | Population | Household Income | National Avg. |
| Tavernier, FL | 1,980 | $44,731 | 19.1% |
| Hollandale, MS | 1,980 | $35,357 | 36.1% |
| River Heights, UT | 1,980 | $77,984 | 41.0% |
| Ocean Park, WA | 1,980 | $56,270 | 1.7% |
| Cross Lake 19A, MB | 1,980 | n/a | |
| Shelter Island, NY | 1,980 | $97,447 | 76.1% |
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