| Index | Roslyn Estates | New York | National |
| Cost of living | 326 | 121 | 100 |
| Groceries | 106 | 106 | 100 |
| Health care | 108 | 110 | 100 |
| Housing | 834 | 144 | 100 |
| Transportation | 108 | 113 | 100 |
| Utilities | 114 | 112 | 100 |
| Lifestyle & Entertainment | 112 | 111 | 100 |
| Household Items | 107 | 106 | 100 |
| Education & Childcare | 112 | 118 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $370,010 | $30,834 | $8,633 | $11,101 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| New York | 4% | 8.875% |
| State | Income Tax (Low) | Income Tax (High) |
| New York | 4% | 10.9% |
| City | Population | Cost of Living Index | National Avg. |
| Greenville CDP (Greene County), NY | 616 | 106 | 6.1% |
| Wyandanch, NY | 11,925 | 125 | 25.1% |
| Hempstead, NY | 56,908 | 131 | 30.5% |
| North Lindenhurst, NY | 11,096 | 131 | 30.8% |
| Copiague, NY | 23,901 | 131 | 31.3% |
| Roslyn Estates, NY | 1,426 | 326 | 226.4% |
| City | Population | Cost of Living Index | National Avg. |
| Wakefield, NE | 1,426 | 85 | 14.6% |
| Factoryville, PA | 1,426 | 95 | 5.5% |
| Black Earth, WI | 1,426 | 99 | 1.4% |
| Wotton, QC | 1,426 | n/a | |
| Magnetawan, ON | 1,426 | n/a | |
| Roslyn Estates, NY | 1,426 | 326 | 226.4% |