| Index | Selden | New York | National |
| Income per capita | $52,307 | $51,391 | $44,883 |
| Median household income | $140,609 | $89,985 | $81,333 |
| Median income owner occupied | $151,926 | $125,982 | $106,172 |
| Median income renter occupied | $73,721 | $58,659 | $52,080 |
| Median earnings male | $78,407 | $59,465 | $54,343 |
| Median earnings female | $47,496 | $44,739 | $38,439 |
| Unemployment rate | 3.4% | 5.0% | 4.9% |
| Poverty level | 5.5% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 17.4% | 17.4% |
| Manufacturing sector | 9.3% | 9.3% |
| Financial & insurance services | 1.8% | 1.8% |
| Wholesale & retail services | 20.1% | 20.1% |
| Public administration | 5.2% | 5.2% |
| Transportation, warehousing & utilities | 9.5% | 9.5% |
| Education, health & social services | 13.9% | 13.9% |
| Other | 20.5% | 20.5% |
| 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% |
| Selden, NY | 21,786 | $140,609 | 72.9% |
| City | Population | Household Income | National Avg. |
| Red Deer County, AB | 21,767 | n/a | |
| Oxford, AL | 21,765 | $93,413 | 14.9% |
| Pleasant Prairie, WI | 21,762 | $141,796 | 74.3% |
| Cartersville, GA | 21,814 | $82,107 | 1.0% |
| Holiday, FL | 21,830 | $54,715 | 32.7% |
| Selden, NY | 21,786 | $140,609 | 72.9% |