| Index | Katonah | New York | National |
| Cost of living | 188 | 117 | 100 |
| Goods & Services | 113 | 108 | 100 |
| Groceries | 105 | 102 | 100 |
| Health care | 110 | 103 | 100 |
| Housing | 365 | 145 | 100 |
| Transportation | 102 | 105 | 100 |
| Utilities | 131 | 100 | 100 |
| 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 | $196,771 | $16,398 | $4,591 | $5,904 |
| Renters | $0 | $0 | $0 | $0 |
| 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 | Katonah | National avg. | Difference |
| Haircut | $32.33 | $24.26 | 33.3% |
| Beauty Salon | $48.56 | $45.56 | 6.6% |
| Toothpaste | $3.66 | $3.70 | 1.1% |
| Shampoo | $1.50 | $1.28 | 17.4% |
| Movie | $13.76 | $12.13 | 13.4% |
| Bowling | $19.63 | $18.00 | 9.0% |
| Item | Katonah | National avg. | Difference |
| Ground Beef | $6.34 | $5.84 | 8.6% |
| Fried Chicken | $1.61 | $1.57 | 2.4% |
| Milk | $4.73 | $4.67 | 1.2% |
| Potatoes | $5.03 | $4.93 | 1.9% |
| Pizza | $10.07 | $12.09 | 16.7% |
| Beer | $10.62 | $10.41 | 2.0% |
| Item | Katonah | National avg. | Difference |
| Optometrist | $140.10 | $125.68 | 11.5% |
| Doctor | $143.23 | $135.78 | 5.5% |
| Dentist | $123.00 | $113.29 | 8.6% |
| Ibuprofen | $11.00 | $10.65 | 3.3% |
| Lipitor | $401.34 | $468.60 | 14.4% |
| Item | Katonah | National avg. | Difference |
| Home Price | $670,800.00 | $184,700.00 | 263.2% |
| Avg. Mortgage Payment | $1,857.27 | $2,346.69 | 20.9% |
| Apartment Rent | $3,501.00 | $949.00 | 268.9% |
| Item | Katonah | National avg. | Difference |
| Gasoline | $3.33 | $3.46 | 3.7% |
| Tire Balancing | $57.68 | $59.92 | 3.7% |
| Item | Katonah | National avg. | Difference |
| All Electricity | $281.67 | $193.99 | 45.2% |
| Phone | $185.16 | $192.25 | 3.7% |
| City | Population | Cost of Living Index | National Avg. |
| Cannondale, CT | 440 | 112 | 12.4% |
| Copake Hamlet, NY | 161 | 106 | 6.1% |
| Highland Falls, NY | 3,826 | 119 | 18.8% |
| Haverstraw, NY | 12,076 | 123 | 22.7% |
| Carmel Hamlet, NY | 6,278 | 125 | 24.6% |
| Katonah, NY | 1,706 | 188 | 88.1% |
| City | Population | Cost of Living Index | National Avg. |
| Harpersville, AL | 1,706 | 95 | 5.0% |
| Quincy, CA | 1,706 | 114 | 14.0% |
| Lockport Heights, LA | 1,706 | 94 | 6.0% |
| North Belle Vernon, PA | 1,706 | 88 | 11.8% |
| Erin, TN | 1,706 | 88 | 12.2% |
| Katonah, NY | 1,706 | 188 | 88.1% |
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