| Index | Chappaqua | New York | National |
| Cost of living | 176 | 121 | 100 |
| Groceries | 106 | 106 | 100 |
| Health care | 111 | 110 | 100 |
| Housing | 323 | 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 | $219,390 | $18,283 | $5,119 | $6,582 |
| Renters | $370,063 | $30,839 | $8,634 | $11,103 |
| 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% |
| Fort Montgomery, NY | 1,939 | 118 | 17.6% |
| Highland Falls, NY | 3,960 | 118 | 17.7% |
| Mount Ivy, NY | 7,675 | 120 | 20.1% |
| Haverstraw, NY | 12,431 | 121 | 21.4% |
| Chappaqua, NY | 2,709 | 176 | 76.0% |
| City | Population | Cost of Living Index | National Avg. |
| Williams Bay, WI | 2,709 | 111 | 11.3% |
| Midland, PA | 2,708 | 83 | 16.5% |
| Green Island, NY | 2,707 | 100 | 0.3% |
| Iona, ID | 2,711 | 109 | 9.1% |
| Waverly, VA | 2,711 | 94 | 6.1% |
| Chappaqua, NY | 2,709 | 176 | 76.0% |