| Index | Big Rock | Illinois | National |
| Cost of living | 108 | 98 | 100 |
| Groceries | 97 | 100 | 100 |
| Health care | 99 | 100 | 100 |
| Housing | 130 | 95 | 100 |
| Transportation | 103 | 101 | 100 |
| Utilities | 102 | 99 | 100 |
| Lifestyle & Entertainment | 96 | 100 | 100 |
| Household Items | 100 | 100 | 100 |
| Education & Childcare | 96 | 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 | $159,095 | $13,258 | $3,712 | $4,773 |
| Renters | $128,490 | $10,708 | $2,998 | $3,855 |
| 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. |
| Leland, IL | 964 | 96 | 4.4% |
| Waterman, IL | 1,801 | 98 | 2.5% |
| DeKalb, IL | 44,075 | 98 | 2.2% |
| Millington, IL | 679 | 98 | 1.8% |
| Somonauk, IL | 2,099 | 98 | 1.6% |
| Big Rock, IL | 1,298 | 108 | 8.4% |
| City | Population | Cost of Living Index | National Avg. |
| Sunman, IN | 1,298 | 90 | 10.3% |
| Barbourmeade, KY | 1,298 | 119 | 19.0% |
| Deville, LA | 1,298 | 88 | 12.4% |
| Creighton, NE | 1,298 | 84 | 16.3% |
| Lone Oak, TN | 1,298 | 94 | 5.5% |
| Big Rock, IL | 1,298 | 108 | 8.4% |