| Index | Yaphank | New York | National |
| Cost of living | 135 | 121 | 100 |
| Groceries | 104 | 106 | 100 |
| Health care | 108 | 110 | 100 |
| Housing | 198 | 144 | 100 |
| Transportation | 111 | 113 | 100 |
| Utilities | 112 | 112 | 100 |
| Lifestyle & Entertainment | 109 | 111 | 100 |
| Household Items | 104 | 106 | 100 |
| Education & Childcare | 115 | 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 | $160,412 | $13,368 | $3,743 | $4,813 |
| 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. |
| Ocean Beach, NY | 32 | 110 | 9.6% |
| Stony Brook University, NY | 8,775 | 110 | 9.6% |
| Saltaire, NY | 26 | 110 | 9.6% |
| Riverside village, NY | 634 | 93 | 6.8% |
| Calverton, NY | 5,399 | 118 | 18.1% |
| Yaphank, NY | 6,302 | 135 | 35.5% |
| City | Population | Cost of Living Index | National Avg. |
| Clarenville, NL | 6,303 | n/a | |
| Los Ranchos de Albuquerque, NM | 6,300 | 126 | 26.1% |
| St. Paul County No. 19, AB | 6,300 | n/a | |
| Larchmont, NY | 6,304 | 233 | 132.9% |
| Northgate, OH | 6,299 | 90 | 9.6% |
| Yaphank, NY | 6,302 | 135 | 35.5% |