| Index | Oyster Bay Cove | New York | National |
| Cost of living | 255 | 121 | 100 |
| Groceries | 105 | 106 | 100 |
| Health care | 111 | 110 | 100 |
| Housing | 598 | 144 | 100 |
| Transportation | 111 | 113 | 100 |
| Utilities | 110 | 112 | 100 |
| Lifestyle & Entertainment | 106 | 111 | 100 |
| Household Items | 105 | 106 | 100 |
| Education & Childcare | 114 | 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 | $330,373 | $27,531 | $7,708 | $9,912 |
| Renters | $113,238 | $9,437 | $2,642 | $3,397 |
| 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. |
| Wyandanch, NY | 11,925 | 125 | 25.1% |
| Brentwood, NY | 64,448 | 129 | 29.5% |
| North Bay Shore, NY | 20,198 | 130 | 29.6% |
| Hempstead, NY | 56,908 | 131 | 30.5% |
| North Lindenhurst, NY | 11,096 | 131 | 30.8% |
| Oyster Bay Cove, NY | 2,029 | 255 | 155.5% |
| City | Population | Cost of Living Index | National Avg. |
| Burns Flat, OK | 2,029 | 83 | 16.6% |
| North Puyallup, WA | 2,029 | 111 | 11.1% |
| Huachuca City, AZ | 2,030 | 89 | 11.2% |
| North Fork, AZ | 2,028 | 83 | 16.8% |
| Mount Ayr, IA | 2,030 | 84 | 16.2% |
| Oyster Bay Cove, NY | 2,029 | 255 | 155.5% |