| Index | Farmingville | New York | National |
| Income per capita | $60,474 | $51,391 | $44,883 |
| Median household income | $167,981 | $89,985 | $81,333 |
| Median income owner occupied | $173,210 | $125,982 | $106,172 |
| Median income renter occupied | $92,333 | $58,659 | $52,080 |
| Median earnings male | $83,495 | $59,465 | $54,343 |
| Median earnings female | $58,767 | $44,739 | $38,439 |
| Unemployment rate | 3.7% | 5.0% | 4.9% |
| Poverty level | 2.2% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.5% | 13.5% |
| Manufacturing sector | 12.2% | 12.2% |
| Financial & insurance services | 3.3% | 3.3% |
| Wholesale & retail services | 16.7% | 16.7% |
| Public administration | 4.9% | 4.9% |
| Transportation, warehousing & utilities | 10.1% | 10.1% |
| Education, health & social services | 14.9% | 14.9% |
| Other | 22.5% | 22.5% |
| 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% |
| Fort Salonga, NY | 10,194 | $234,982 | 188.9% |
| Farmingville, NY | 17,109 | $167,981 | 106.5% |
| City | Population | Household Income | National Avg. |
| Vienna, VA | 17,109 | $255,358 | 214.0% |
| Camp Pendleton South, CA | 17,110 | $77,086 | 5.2% |
| South Venice, FL | 17,117 | $89,525 | 10.1% |
| Seven Oaks, SC | 17,121 | $91,752 | 12.8% |
| Defiance, OH | 17,127 | $74,724 | 8.1% |
| Farmingville, NY | 17,109 | $167,981 | 106.5% |