| Index | Sayville | New York | National |
| Income per capita | $88,002 | $51,391 | $44,883 |
| Median household income | $189,888 | $89,985 | $81,333 |
| Median income owner occupied | $214,741 | $125,982 | $106,172 |
| Median income renter occupied | $112,869 | $58,659 | $52,080 |
| Median earnings male | $116,263 | $59,465 | $54,343 |
| Median earnings female | $70,445 | $44,739 | $38,439 |
| Unemployment rate | 1.9% | 5.0% | 4.9% |
| Poverty level | 6.7% | 15.5% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 11.0% | 11.0% |
| Manufacturing sector | 10.8% | 10.8% |
| Financial & insurance services | 4.8% | 4.8% |
| Wholesale & retail services | 13.8% | 13.8% |
| Public administration | 8.0% | 8.0% |
| Transportation, warehousing & utilities | 8.4% | 8.4% |
| Education, health & social services | 17.5% | 17.5% |
| Other | 22.7% | 22.7% |
| City | Population | Household Income | National Avg. |
| Head of the Harbor, NY | 1,506 | $323,823 | 298.1% |
| Belle Terre, NY | 813 | $304,762 | 274.7% |
| Poquott, NY | 1,135 | $271,972 | 234.4% |
| Dix Hills, NY | 24,498 | $259,250 | 218.8% |
| Fort Salonga, NY | 10,194 | $234,982 | 188.9% |
| Sayville, NY | 16,433 | $189,888 | 133.5% |
| City | Population | Household Income | National Avg. |
| Albemarle, NC | 16,433 | $65,149 | 19.9% |
| Prospect Heights, IL | 16,432 | $106,899 | 31.4% |
| Cherryland, CA | 16,430 | $108,096 | 32.9% |
| Crawfordsville, IN | 16,427 | $66,797 | 17.9% |
| Walnut Park, CA | 16,426 | $89,720 | 10.3% |
| Sayville, NY | 16,433 | $189,888 | 133.5% |