| Index | East Islip | New York | National |
| Income per capita | $71,157 | $51,391 | $44,883 |
| Median household income | $166,395 | $89,985 | $81,333 |
| Median income owner occupied | $179,370 | $125,982 | $106,172 |
| Median income renter occupied | $87,450 | $58,659 | $52,080 |
| Median earnings male | $96,692 | $59,465 | $54,343 |
| Median earnings female | $62,600 | $44,739 | $38,439 |
| Unemployment rate | 1.9% | 5.0% | 4.9% |
| Poverty level | 5.2% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.5% | 11.5% |
| Manufacturing sector | 7.0% | 7.0% |
| Financial & insurance services | 6.6% | 6.6% |
| Wholesale & retail services | 15.1% | 15.1% |
| Public administration | 5.6% | 5.6% |
| Transportation, warehousing & utilities | 7.2% | 7.2% |
| Education, health & social services | 11.9% | 11.9% |
| Other | 32.5% | 32.5% |
| City | Population | Household Income | National Avg. |
| Cold Spring Harbor, NY | 2,967 | $371,740 | 357.1% |
| Huntington Bay, NY | 1,646 | $365,621 | 349.5% |
| Head of the Harbor, NY | 1,506 | $323,823 | 298.1% |
| Lloyd Harbor, NY | 3,758 | $301,464 | 270.7% |
| Eatons Neck, NY | 1,343 | $272,729 | 235.3% |
| East Islip, NY | 13,085 | $166,395 | 104.6% |
| City | Population | Household Income | National Avg. |
| Woodland Park, NJ | 13,086 | $120,369 | 48.0% |
| Smithfield, NC | 13,082 | $50,035 | 38.5% |
| Richmond, TX | 13,080 | $76,445 | 6.0% |
| Orangeburg, SC | 13,075 | $42,544 | 47.7% |
| Commerce, CA | 13,066 | $82,576 | 1.5% |
| East Islip, NY | 13,085 | $166,395 | 104.6% |