| Index | Sleepy Hollow | Illinois | National |
| Cost of living | 116 | 98 | 100 |
| Groceries | 99 | 100 | 100 |
| Health care | 101 | 100 | 100 |
| Housing | 156 | 95 | 100 |
| Transportation | 99 | 101 | 100 |
| Utilities | 97 | 99 | 100 |
| Lifestyle & Entertainment | 101 | 100 | 100 |
| Household Items | 100 | 100 | 100 |
| Education & Childcare | 99 | 100 | 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 | $183,133 | $15,261 | $4,273 | $5,495 |
| Renters | $116,792 | $9,733 | $2,725 | $3,504 |
| State | General Sales Tax | With Max Surtax |
| Illinois | 6.25% | 10.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Illinois | 4.95% | 4.95% |
| City | Population | Cost of Living Index | National Avg. |
| Marengo, IL | 8,096 | 97 | 3.1% |
| Union, IL | 699 | 99 | 1.2% |
| Carpentersville, IL | 38,383 | 102 | 2.0% |
| Holiday Hills, IL | 678 | 104 | 3.7% |
| Elgin, IL | 115,336 | 104 | 4.3% |
| Sleepy Hollow, IL | 3,351 | 116 | 16.2% |
| City | Population | Cost of Living Index | National Avg. |
| Muldrow, OK | 3,351 | 82 | 18.1% |
| Westville, IL | 3,352 | 85 | 14.9% |
| Gramercy, LA | 3,352 | 95 | 4.7% |
| Lutcher, LA | 3,352 | 89 | 10.8% |
| Denmark, SC | 3,349 | 81 | 18.8% |
| Sleepy Hollow, IL | 3,351 | 116 | 16.2% |