| Index | Seaford | New York | National |
| Income per capita | $85,468 | $51,391 | $44,883 |
| Median household income | $203,277 | $89,985 | $81,333 |
| Median income owner occupied | $213,440 | $125,982 | $106,172 |
| Median income renter occupied | $149,318 | $58,659 | $52,080 |
| Median earnings male | $119,472 | $59,465 | $54,343 |
| Median earnings female | $74,083 | $44,739 | $38,439 |
| Unemployment rate | 3.7% | 5.0% | 4.9% |
| Poverty level | 1.8% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 15.9% | 15.9% |
| Manufacturing sector | 7.0% | 7.0% |
| Financial & insurance services | 6.4% | 6.4% |
| Wholesale & retail services | 13.9% | 13.9% |
| Public administration | 11.8% | 11.8% |
| Transportation, warehousing & utilities | 7.0% | 7.0% |
| Education, health & social services | 13.7% | 13.7% |
| Other | 22.0% | 22.0% |
| City | Population | Household Income | National Avg. |
| Munsey Park, NY | 2,760 | $379,337 | 366.4% |
| Laurel Hollow, NY | 2,019 | $379,136 | 366.2% |
| Hewlett Harbor, NY | 981 | $378,763 | 365.7% |
| Sands Point, NY | 2,894 | $376,615 | 363.1% |
| Plandome, NY | 1,397 | $375,731 | 362.0% |
| Seaford, NY | 15,522 | $203,277 | 149.9% |
| City | Population | Household Income | National Avg. |
| Northview, MI | 15,528 | $93,106 | 14.5% |
| West Haven, UT | 15,511 | $121,606 | 49.5% |
| Clearview, ON | 15,502 | n/a | |
| Hugo, MN | 15,501 | $139,883 | 72.0% |
| Hollins, VA | 15,501 | $102,354 | 25.8% |
| Seaford, NY | 15,522 | $203,277 | 149.9% |