| Index | North Bellmore | New York | National |
| Income per capita | $54,380 | $34,212 | $29,829 |
| Median household income | $150,353 | $60,741 | $55,322 |
| Median income owner occupied | $152,780 | $83,277 | $70,586 |
| Median income renter occupied | $0 | $38,983 | $35,192 |
| Median earnings male | $66,317 | $40,464 | $36,919 |
| Median earnings female | $42,917 | $30,906 | $26,250 |
| Unemployment rate | 2.4% | 4.8% | 4.7% |
| Poverty level | 3.6% | 15.5% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 12.5% | 12.5% |
| Manufacturing sector | 3.4% | 3.4% |
| Financial & insurance services | 12.5% | 12.5% |
| Wholesale & retail services | 15.1% | 15.1% |
| Public administration | 7.3% | 7.3% |
| Transportation, warehousing & utilities | 9.4% | 9.4% |
| Education, health & social services | 16.7% | 16.7% |
| Other | 17.4% | 17.4% |
| City | Population | Household Income | National Avg. |
| Cold Spring Harbor, NY | 2,864 | $250,001 | 351.9% |
| Laurel Hollow, NY | 1,967 | $250,001 | 351.9% |
| Hewlett Harbor, NY | 946 | $250,001 | 351.9% |
| Roslyn Estates, NY | 1,385 | $250,001 | 351.9% |
| Brookville, NY | 3,599 | $250,001 | 351.9% |
| North Bellmore, NY | 21,422 | $150,353 | 171.8% |
| City | Population | Household Income | National Avg. |
| Portsmouth, NH | 21,418 | $78,712 | 42.3% |
| Mukilteo, WA | 21,414 | $102,903 | 86.0% |
| Duarte, CA | 21,399 | $82,620 | 49.3% |
| North Plainfield, NJ | 21,445 | $77,160 | 39.5% |
| Bear, DE | 21,397 | $76,920 | 39.0% |
| North Bellmore, NY | 21,422 | $150,353 | 171.8% |