| Index | Chappaqua | New York | National |
| Cost of living | 177 | 118 | 100 |
| Goods & Services | 115 | 108 | 100 |
| Groceries | 105 | 102 | 100 |
| Health care | 119 | 111 | 100 |
| Housing | 323 | 144 | 100 |
| Transportation | 105 | 107 | 100 |
| Utilities | 133 | 101 | 100 |


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| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities 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% |
| Item | Chappaqua | National avg. | Difference |
| Haircut | $36.51 | $27.62 | 32.2% |
| Beauty Salon | $68.37 | $51.11 | 33.8% |
| Toothpaste | $4.21 | $4.09 | 2.9% |
| Shampoo | $1.69 | $1.54 | 9.6% |
| Movie | $15.96 | $12.88 | 23.9% |
| Yoga | $31.58 | $19.66 | 60.6% |
| Item | Chappaqua | National avg. | Difference |
| Ground Beef | $7.48 | $7.70 | 2.9% |
| Fried Chicken | $1.54 | $1.66 | 7.4% |
| Milk | $5.12 | $4.73 | 8.2% |
| Potatoes | $5.14 | $5.26 | 2.2% |
| Pizza | $12.58 | $12.76 | 1.4% |
| Beer | $10.97 | $10.55 | 4.0% |
| Item | Chappaqua | National avg. | Difference |
| Optometrist | $193.19 | $140.06 | 37.9% |
| Doctor | $188.05 | $153.82 | 22.3% |
| Dentist | $150.28 | $123.15 | 22.0% |
| Ibuprofen | $12.32 | $11.73 | 5.0% |
| Lipitor | $24.09 | $23.61 | 2.0% |
| Item | Chappaqua | National avg. | Difference |
| Home Price | $1,162,491.00 | $326,622.00 | 255.9% |
| Avg. Mortgage Payment | $4,008.19 | $2,480.25 | 61.6% |
| Apartment Rent | $3,569.00 | $1,444.00 | 147.2% |
| Item | Chappaqua | National avg. | Difference |
| Gasoline | $3.13 | $3.06 | 2.3% |
| Tire Balancing | $72.41 | $65.21 | 11.0% |
| Item | Chappaqua | National avg. | Difference |
| All Electricity | $340.42 | $220.12 | 54.7% |
| Phone | $189.68 | $195.71 | 3.1% |
| City | Population | Cost of Living Index | National Avg. |
| Greenville CDP (Greene County), NY | 616 | 109 | 8.7% |
| Fort Montgomery, NY | 1,939 | 121 | 21.2% |
| Highland Falls, NY | 3,960 | 121 | 21.3% |
| Mount Ivy, NY | 7,675 | 124 | 23.7% |
| Haverstraw, NY | 12,431 | 125 | 25.0% |
| Chappaqua, NY | 2,709 | 177 | 77.0% |
| City | Population | Cost of Living Index | National Avg. |
| Williams Bay, WI | 2,709 | 111 | 11.1% |
| Midland, PA | 2,708 | 78 | 22.2% |
| Green Island, NY | 2,707 | 97 | 2.6% |
| Iona, ID | 2,711 | 104 | 4.4% |
| Waverly, VA | 2,711 | 91 | 8.9% |
| Chappaqua, NY | 2,709 | 177 | 77.0% |