| Index | Spring Bay | Illinois | National |
| Cost of living | 92 | 98 | 100 |
| Groceries | 97 | 100 | 100 |
| Health care | 101 | 100 | 100 |
| Housing | 72 | 95 | 100 |
| Transportation | 101 | 101 | 100 |
| Utilities | 103 | 99 | 100 |
| Lifestyle & Entertainment | 101 | 100 | 100 |
| Household Items | 100 | 100 | 100 |
| Education & Childcare | 101 | 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 | $73,820 | $6,152 | $1,722 | $2,215 |
| Renters | $32,930 | $2,744 | $768 | $988 |
| 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. |
| Creve Coeur, IL | 5,261 | 85 | 15.3% |
| Washburn, IL | 1,131 | 86 | 13.8% |
| Sparland, IL | 406 | 87 | 12.7% |
| Peoria Heights, IL | 6,052 | 87 | 12.5% |
| Lacon, IL | 1,837 | 88 | 11.9% |
| Spring Bay, IL | 490 | 92 | 8.3% |
| City | Population | Cost of Living Index | National Avg. |
| Garden Valley, ID | 490 | 111 | 11.2% |
| Karnak, IL | 490 | 80 | 19.6% |
| Williams Creek, IN | 490 | 205 | 105.3% |
| Naytahwaush, MN | 490 | 82 | 17.7% |
| White Earth, MN | 490 | 81 | 19.1% |
| Spring Bay, IL | 490 | 92 | 8.3% |