| Index | Thornwood | New York | National |
| Cost of living | 165 | 121 | 100 |
| Groceries | 106 | 106 | 100 |
| Health care | 111 | 110 | 100 |
| Housing | 288 | 144 | 100 |
| Transportation | 116 | 113 | 100 |
| Utilities | 115 | 112 | 100 |
| Lifestyle & Entertainment | 115 | 111 | 100 |
| Household Items | 105 | 106 | 100 |
| Education & Childcare | 128 | 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 | $277,600 | $23,133 | $6,477 | $8,329 |
| Renters | $170,850 | $14,238 | $3,986 | $5,126 |
| 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% |
| Mount Ivy, NY | 7,675 | 120 | 20.1% |
| Haverstraw, NY | 12,431 | 121 | 21.4% |
| West Haverstraw, NY | 10,539 | 121 | 21.4% |
| Peekskill, NY | 25,021 | 124 | 23.7% |
| Thornwood, NY | 4,636 | 165 | 65.3% |
| City | Population | Cost of Living Index | National Avg. |
| Negaunee, MI | 4,636 | 88 | 11.6% |
| Smoky Lake County, AB | 4,636 | n/a | |
| Jonesboro, LA | 4,635 | 82 | 18.3% |
| Lexington, MO | 4,635 | 86 | 13.6% |
| Seguin, ON | 4,637 | n/a | |
| Thornwood, NY | 4,636 | 165 | 65.3% |