| Index | Fire Island | New York | National |
| Cost of living | 141 | 121 | 100 |
| Groceries | 103 | 106 | 100 |
| Health care | 110 | 110 | 100 |
| Housing | 215 | 144 | 100 |
| Transportation | 115 | 113 | 100 |
| Utilities | 112 | 112 | 100 |
| Lifestyle & Entertainment | 107 | 111 | 100 |
| Household Items | 108 | 106 | 100 |
| Education & Childcare | 116 | 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 | $158,528 | $13,211 | $3,699 | $4,756 |
| Renters | $104,342 | $8,695 | $2,434 | $3,131 |
| 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. |
| Ocean Beach, NY | 32 | 110 | 9.6% |
| Saltaire, NY | 26 | 110 | 9.6% |
| Wyandanch, NY | 11,925 | 125 | 25.1% |
| Shirley, NY | 29,314 | 127 | 26.8% |
| Central Islip, NY | 34,526 | 128 | 28.1% |
| Fire Island, NY | 379 | 141 | 41.3% |
| City | Population | Cost of Living Index | National Avg. |
| Gainesville, AL | 379 | 103 | 2.8% |
| Central, AZ | 379 | 107 | 7.4% |
| Forbestown, CA | 379 | 121 | 21.2% |
| Barrett, MN | 379 | 86 | 13.7% |
| Shiloh, NJ | 379 | 106 | 5.7% |
| Fire Island, NY | 379 | 141 | 41.3% |