| Index | Stillman Valley | Illinois | National |
| Cost of living | 95 | 98 | 100 |
| Groceries | 98 | 100 | 100 |
| Health care | 98 | 100 | 100 |
| Housing | 89 | 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 | $107,403 | $8,950 | $2,506 | $3,222 |
| Renters | $83,006 | $6,917 | $1,937 | $2,490 |
| 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. |
| Leaf River, IL | 520 | 84 | 16.0% |
| Mount Morris, IL | 3,277 | 85 | 15.1% |
| Rockford, IL | 151,169 | 87 | 13.5% |
| Oregon, IL | 3,827 | 88 | 11.7% |
| Rochelle, IL | 9,400 | 91 | 8.9% |
| Stillman Valley, IL | 1,400 | 95 | 5.3% |
| City | Population | Cost of Living Index | National Avg. |
| Wisner, NE | 1,400 | 85 | 14.6% |
| Cairo, NY | 1,400 | 102 | 2.0% |
| Thessalon, ON | 1,400 | n/a | |
| Big Pine, CA | 1,401 | 118 | 17.9% |
| East Griffin, GA | 1,401 | 84 | 15.6% |
| Stillman Valley, IL | 1,400 | 95 | 5.3% |