| Index | North Bellport | New York | National |
| Income per capita | $48,997 | $51,391 | $44,883 |
| Median household income | $114,801 | $89,985 | $81,333 |
| Median income owner occupied | $146,879 | $125,982 | $106,172 |
| Median income renter occupied | $78,958 | $58,659 | $52,080 |
| Median earnings male | $74,504 | $59,465 | $54,343 |
| Median earnings female | $47,947 | $44,739 | $38,439 |
| Unemployment rate | 2.9% | 5.0% | 4.9% |
| Poverty level | 15.5% | 15.5% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.1% | 13.1% |
| Manufacturing sector | 14.3% | 14.3% |
| Financial & insurance services | 4.5% | 4.5% |
| Wholesale & retail services | 13.0% | 13.0% |
| Public administration | 4.6% | 4.6% |
| Transportation, warehousing & utilities | 12.7% | 12.7% |
| Education, health & social services | 11.8% | 11.8% |
| Other | 24.6% | 24.6% |
| 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% |
| West Hampton Dunes, NY | 71 | $229,928 | 182.7% |
| North Bellport, NY | 10,734 | $114,801 | 41.1% |
| City | Population | Household Income | National Avg. |
| Anderson, CA | 10,734 | $61,720 | 24.1% |
| Union City, TN | 10,733 | $46,189 | 43.2% |
| Kearney, MO | 10,736 | $126,158 | 55.1% |
| Sedona, AZ | 10,738 | $84,716 | 4.2% |
| Cambridge, OH | 10,738 | $51,452 | 36.7% |
| North Bellport, NY | 10,734 | $114,801 | 41.1% |