| Index | Tappan | New York | National |
| Cost of living | 161 | 121 | 100 |
| Groceries | 109 | 106 | 100 |
| Health care | 111 | 110 | 100 |
| Housing | 272 | 144 | 100 |
| Transportation | 116 | 113 | 100 |
| Utilities | 112 | 112 | 100 |
| Lifestyle & Entertainment | 118 | 111 | 100 |
| Household Items | 107 | 106 | 100 |
| Education & Childcare | 124 | 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 | $192,904 | $16,075 | $4,501 | $5,788 |
| Renters | $158,398 | $13,200 | $3,696 | $4,752 |
| 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. |
| Greenville CDP (Greene County), NY | 616 | 106 | 6.1% |
| Paterson, NJ | 149,118 | 122 | 21.5% |
| Mount Ivy, NY | 7,675 | 120 | 20.1% |
| Haverstraw, NY | 12,431 | 121 | 21.4% |
| West Haverstraw, NY | 10,539 | 121 | 21.4% |
| Tappan, NY | 7,646 | 161 | 61.2% |
| City | Population | Cost of Living Index | National Avg. |
| Old Town, ME | 7,646 | 96 | 4.3% |
| Georgetown, DE | 7,641 | 112 | 11.7% |
| Ancient Oaks, PA | 7,641 | 121 | 21.3% |
| Huron-Kinloss, ON | 7,651 | n/a | |
| Highland Heights, KY | 7,638 | 89 | 11.0% |
| Tappan, NY | 7,646 | 161 | 61.2% |