| Index | Locust Valley | New York | National |
| Income per capita | $116,559 | $51,391 | $44,883 |
| Median household income | $197,832 | $89,985 | $81,333 |
| Median income owner occupied | $259,132 | $125,982 | $106,172 |
| Median income renter occupied | $80,867 | $58,659 | $52,080 |
| Median earnings male | $137,315 | $59,465 | $54,343 |
| Median earnings female | $75,291 | $44,739 | $38,439 |
| Unemployment rate | 1.9% | 5.0% | 4.9% |
| Poverty level | 4.7% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 5.8% | 5.8% |
| Manufacturing sector | 1.0% | 1.0% |
| Financial & insurance services | 26.1% | 26.1% |
| Wholesale & retail services | 14.0% | 14.0% |
| Public administration | 4.5% | 4.5% |
| Transportation, warehousing & utilities | 10.1% | 10.1% |
| Education, health & social services | 10.9% | 10.9% |
| Other | 24.3% | 24.3% |
| City | Population | Household Income | National Avg. |
| Munsey Park, NY | 2,760 | $379,337 | 366.4% |
| Laurel Hollow, NY | 2,019 | $379,136 | 366.2% |
| Scarsdale, NY | 18,390 | $378,602 | 365.5% |
| Sands Point, NY | 2,894 | $376,615 | 363.1% |
| Plandome, NY | 1,397 | $375,731 | 362.0% |
| Locust Valley, NY | 3,597 | $197,832 | 143.2% |
| City | Population | Household Income | National Avg. |
| Cedar Grove, FL | 3,596 | $60,723 | 25.3% |
| Squaw Valley, CA | 3,598 | $103,565 | 27.3% |
| East Angus, QC | 3,595 | n/a | |
| Marianna, AR | 3,599 | $25,095 | 69.1% |
| Red Bud, IL | 3,599 | $84,484 | 3.9% |
| Locust Valley, NY | 3,597 | $197,832 | 143.2% |