| Index | Holiday Hills | Illinois | National |
| Cost of living | 104 | 98 | 100 |
| Groceries | 101 | 100 | 100 |
| Health care | 101 | 100 | 100 |
| Housing | 112 | 95 | 100 |
| Transportation | 100 | 101 | 100 |
| Utilities | 99 | 99 | 100 |
| Lifestyle & Entertainment | 99 | 100 | 100 |
| Household Items | 102 | 100 | 100 |
| Education & Childcare | 100 | 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 | $95,362 | $7,947 | $2,225 | $2,861 |
| Renters | $143,074 | $11,923 | $3,338 | $4,293 |
| 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. |
| Round Lake Park, IL | 8,005 | 95 | 5.3% |
| McCullom Lake, IL | 1,222 | 97 | 2.5% |
| Wilmot, WI | 228 | 97 | 3.3% |
| Genoa City, WI | 3,060 | 99 | 0.7% |
| Round Lake Beach, IL | 28,313 | 98 | 1.7% |
| Holiday Hills, IL | 678 | 104 | 3.7% |
| City | Population | Cost of Living Index | National Avg. |
| Gila Crossing, AZ | 678 | 100 | 0.0% |
| San Luis, CO | 678 | 90 | 9.7% |
| Klemme, IA | 678 | 80 | 19.9% |
| Dongola, IL | 678 | 81 | 18.6% |
| Linden, IN | 678 | 82 | 17.7% |
| Holiday Hills, IL | 678 | 104 | 3.7% |