| Index | Willowbrook CDP | Illinois | National |
| Cost of living | 108 | 98 | 100 |
| Groceries | 99 | 100 | 100 |
| Health care | 97 | 100 | 100 |
| Housing | 127 | 95 | 100 |
| Transportation | 99 | 101 | 100 |
| Utilities | 98 | 99 | 100 |
| Lifestyle & Entertainment | 103 | 100 | 100 |
| Household Items | 98 | 100 | 100 |
| Education & Childcare | 102 | 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 | $97,784 | $8,149 | $2,281 | $2,934 |
| Renters | $0 | $0 | $0 | $0 |
| 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. |
| Hodgkins, IL | 1,817 | 83 | 16.9% |
| Dixmoor, IL | 3,663 | 87 | 12.6% |
| Hometown, IL | 4,350 | 89 | 11.2% |
| Robbins, IL | 5,241 | 89 | 10.5% |
| Calumet Park, IL | 8,694 | 93 | 7.5% |
| Willowbrook CDP, IL | 2,044 | 108 | 7.5% |
| City | Population | Cost of Living Index | National Avg. |
| Glenwood, AR | 2,044 | 82 | 17.6% |
| Santa Nella, CA | 2,044 | 126 | 25.7% |
| Yorklyn, PA | 2,044 | 98 | 2.4% |
| Richibucto 15, NB | 2,044 | n/a | |
| Morris, AL | 2,045 | 102 | 1.6% |
| Willowbrook CDP, IL | 2,044 | 108 | 7.5% |