| Index | West Sayville | New York | National |
| Income per capita | $46,934 | $34,212 | $29,829 |
| Median household income | $126,553 | $60,741 | $55,322 |
| Median income owner occupied | $136,189 | $83,277 | $70,586 |
| Median income renter occupied | $0 | $38,983 | $35,192 |
| Median earnings male | $76,920 | $40,464 | $36,919 |
| Median earnings female | $42,024 | $30,906 | $26,250 |
| Unemployment rate | 2.3% | 4.8% | 4.7% |
| Poverty level | 6.2% | 15.5% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 10.4% | 10.4% |
| Manufacturing sector | 2.8% | 2.8% |
| Financial & insurance services | 8.8% | 8.8% |
| Wholesale & retail services | 16.0% | 16.0% |
| Public administration | 12.1% | 12.1% |
| Transportation, warehousing & utilities | 7.0% | 7.0% |
| Education, health & social services | 15.6% | 15.6% |
| Other | 24.9% | 24.9% |
| City | Population | Household Income | National Avg. |
| Head of the Harbor, NY | 1,454 | $215,833 | 290.1% |
| Dix Hills, NY | 23,995 | $174,786 | 215.9% |
| Fort Salonga, NY | 9,930 | $159,700 | 188.7% |
| Centerport, NY | 5,773 | $157,857 | 185.3% |
| Nissequogue, NY | 1,599 | $147,639 | 166.9% |
| West Sayville, NY | 4,956 | $126,553 | 128.8% |
| City | Population | Household Income | National Avg. |
| Watseka, IL | 4,956 | $38,162 | 31.0% |
| Keyser, WV | 4,956 | $44,679 | 19.2% |
| Barling, AR | 4,957 | $43,694 | 21.0% |
| Needles, CA | 4,959 | $33,265 | 39.9% |
| Perry, OK | 4,959 | $52,487 | 5.1% |
| West Sayville, NY | 4,956 | $126,553 | 128.8% |
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