| Index | Grand Detour | Illinois | National |
| Cost of living | 104 | 98 | 100 |
| Groceries | 98 | 100 | 100 |
| Health care | 98 | 100 | 100 |
| Housing | 120 | 95 | 100 |
| Transportation | 100 | 101 | 100 |
| Utilities | 96 | 99 | 100 |
| Lifestyle & Entertainment | 94 | 100 | 100 |
| Household Items | 97 | 100 | 100 |
| Education & Childcare | 97 | 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 | $100,472 | $8,373 | $2,344 | $3,014 |
| 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. |
| Harmon, IL | 150 | 84 | 16.0% |
| Rock Falls, IL | 9,152 | 82 | 18.2% |
| Nelson, IL | 138 | 83 | 16.8% |
| Franklin Grove, IL | 975 | 86 | 14.1% |
| Dixon, IL | 16,145 | 85 | 15.1% |
| Grand Detour, IL | 363 | 104 | 4.2% |
| City | Population | Cost of Living Index | National Avg. |
| Humphrey, AR | 363 | 78 | 22.3% |
| New Meadows, ID | 363 | 93 | 6.7% |
| Rock City, IL | 363 | 88 | 12.1% |
| Uniontown, KS | 363 | 76 | 24.5% |
| Spottsville, KY | 363 | 83 | 16.8% |
| Grand Detour, IL | 363 | 104 | 4.2% |