| Index | Diamond | Illinois | National |
| Cost of living | 100 | 98 | 100 |
| Groceries | 99 | 100 | 100 |
| Health care | 97 | 100 | 100 |
| Housing | 99 | 95 | 100 |
| Transportation | 100 | 101 | 100 |
| Utilities | 101 | 99 | 100 |
| Lifestyle & Entertainment | 99 | 100 | 100 |
| Household Items | 98 | 100 | 100 |
| Education & Childcare | 106 | 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 | $83,864 | $6,989 | $1,957 | $2,516 |
| Renters | $59,341 | $4,945 | $1,385 | $1,780 |
| 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. |
| Wilmington village, IL | 150 | 79 | 21.3% |
| Union Hill, IL | 71 | 81 | 19.0% |
| East Brooklyn, IL | 59 | 89 | 10.6% |
| Reddick, IL | 220 | 90 | 10.0% |
| Godley, IL | 717 | 90 | 9.8% |
| Diamond, IL | 2,845 | 100 | 0.4% |
| City | Population | Cost of Living Index | National Avg. |
| Refugio, TX | 2,845 | 84 | 16.1% |
| Santa Rosa, TX | 2,845 | 80 | 19.5% |
| McDougall, ON | 2,845 | n/a | |
| Marshville, NC | 2,844 | 90 | 10.4% |
| Estill, SC | 2,844 | 83 | 17.4% |
| Diamond, IL | 2,845 | 100 | 0.4% |