| Index | Armonk | New York | National |
| Cost of living | 204 | 121 | 100 |
| Groceries | 106 | 106 | 100 |
| Health care | 111 | 110 | 100 |
| Housing | 416 | 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 | $326,980 | $27,248 | $7,629 | $9,810 |
| Renters | $76,830 | $6,403 | $1,793 | $2,305 |
| 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% |
| Haverstraw, NY | 12,431 | 121 | 21.4% |
| West Haverstraw, NY | 10,539 | 121 | 21.4% |
| Peekskill, NY | 25,021 | 124 | 23.7% |
| Armonk, NY | 4,557 | 204 | 103.8% |
| City | Population | Cost of Living Index | National Avg. |
| Searingtown, NY | 4,557 | 221 | 120.8% |
| Prairie du Sac, WI | 4,557 | 106 | 5.9% |
| Lebanon, IL | 4,558 | 93 | 6.9% |
| Algood, TN | 4,555 | 90 | 9.8% |
| Pendleton, IN | 4,559 | 94 | 6.0% |
| Armonk, NY | 4,557 | 204 | 103.8% |