| Index | Garden City Park | New York | National |
| Cost of living | 170 | 121 | 100 |
| Groceries | 106 | 106 | 100 |
| Health care | 108 | 110 | 100 |
| Housing | 312 | 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 | $200,017 | $16,668 | $4,667 | $6,001 |
| Renters | $88,835 | $7,403 | $2,073 | $2,665 |
| 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. |
| Hempstead, NY | 56,908 | 131 | 30.5% |
| North Lindenhurst, NY | 11,096 | 131 | 30.8% |
| Copiague, NY | 23,901 | 131 | 31.3% |
| Roslyn, NY | 2,998 | 132 | 32.2% |
| Mount Vernon, NY | 69,130 | 133 | 33.3% |
| Garden City Park, NY | 8,322 | 170 | 69.9% |
| City | Population | Cost of Living Index | National Avg. |
| Ellsworth, ME | 8,319 | 100 | 0.3% |
| Helena Valley West Central, MT | 8,319 | 113 | 13.3% |
| Aylmer, ON | 8,327 | n/a | |
| Crestwood Village, NJ | 8,315 | 96 | 4.2% |
| Hempstead, TX | 8,329 | 91 | 9.0% |
| Garden City Park, NY | 8,322 | 170 | 69.9% |