| Index | Montauk | New York | National |
| Cost of living | 205 | 121 | 100 |
| Groceries | 107 | 106 | 100 |
| Health care | 109 | 110 | 100 |
| Housing | 433 | 144 | 100 |
| Transportation | 105 | 113 | 100 |
| Utilities | 107 | 112 | 100 |
| Lifestyle & Entertainment | 110 | 111 | 100 |
| Household Items | 103 | 106 | 100 |
| Education & Childcare | 113 | 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 | $173,519 | $14,460 | $4,049 | $5,206 |
| Renters | $114,997 | $9,583 | $2,683 | $3,450 |
| 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. |
| Fishers Island, NY | 63 | 107 | 7.4% |
| East Hampton North, NY | 4,331 | 173 | 72.9% |
| Springs, NY | 7,507 | 184 | 83.6% |
| Northwest Harbor, NY | 4,302 | 196 | 95.5% |
| East Hampton, NY | 948 | 319 | 218.6% |
| Montauk, NY | 3,644 | 205 | 105.2% |
| City | Population | Cost of Living Index | National Avg. |
| Roselawn, IN | 3,644 | 91 | 9.0% |
| Morris-Turnberry, ON | 3,644 | n/a | |
| Willcox, AZ | 3,643 | 86 | 14.4% |
| Vivian, LA | 3,643 | 81 | 19.2% |
| Marienville, PA | 3,643 | 86 | 14.4% |
| Montauk, NY | 3,644 | 205 | 105.2% |