| Index | Holbrook | New York | National |
| Income per capita | $67,210 | $51,391 | $44,883 |
| Median household income | $164,974 | $89,985 | $81,333 |
| Median income owner occupied | $184,710 | $125,982 | $106,172 |
| Median income renter occupied | $122,975 | $58,659 | $52,080 |
| Median earnings male | $92,693 | $59,465 | $54,343 |
| Median earnings female | $59,617 | $44,739 | $38,439 |
| Unemployment rate | 2.9% | 5.0% | 4.9% |
| Poverty level | 3.7% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 10.1% | 10.1% |
| Manufacturing sector | 7.7% | 7.7% |
| Financial & insurance services | 4.1% | 4.1% |
| Wholesale & retail services | 15.5% | 15.5% |
| Public administration | 9.3% | 9.3% |
| Transportation, warehousing & utilities | 7.7% | 7.7% |
| Education, health & social services | 17.6% | 17.6% |
| Other | 25.0% | 25.0% |
| City | Population | Household Income | National Avg. |
| Old Field, NY | 949 | $377,288 | 363.9% |
| 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% |
| Holbrook, NY | 26,325 | $164,974 | 102.8% |
| City | Population | Household Income | National Avg. |
| Sebastian, FL | 26,323 | $81,169 | 0.2% |
| Carbondale, IL | 26,321 | $35,623 | 56.2% |
| Cliffside Park, NJ | 26,315 | $126,526 | 55.6% |
| South Pasadena, CA | 26,308 | $165,663 | 103.7% |
| Keystone, FL | 26,359 | $186,631 | 129.5% |
| Holbrook, NY | 26,325 | $164,974 | 102.8% |