| Index | North Sea | New York | National |
| Cost of living | 194 | 121 | 100 |
| Groceries | 104 | 106 | 100 |
| Health care | 108 | 110 | 100 |
| Housing | 394 | 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 | $200,040 | $16,670 | $4,667 | $6,002 |
| Renters | $83,508 | $6,959 | $1,948 | $2,505 |
| 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. |
| Dering Harbor, NY | 0 | 110 | 10.2% |
| Riverside village, NY | 634 | 93 | 6.8% |
| Northville village, NY | 1,040 | 101 | 0.9% |
| Flanders, NY | 5,277 | 131 | 30.7% |
| Riverhead, NY | 14,287 | 133 | 32.7% |
| North Sea, NY | 5,436 | 194 | 94.3% |
| City | Population | Cost of Living Index | National Avg. |
| L'Épiphanie, QC | 5,436 | n/a | |
| Bear Valley Springs, CA | 5,435 | 129 | 28.7% |
| Aberdeen, MS | 5,435 | 82 | 17.9% |
| Big Lakes County, AB | 5,434 | n/a | |
| Tellico Village, TN | 5,438 | 135 | 35.3% |
| North Sea, NY | 5,436 | 194 | 94.3% |