| Index | London Mills | Illinois | National |
| Cost of living | 82 | 98 | 100 |
| Groceries | 100 | 100 | 100 |
| Health care | 99 | 100 | 100 |
| Housing | 43 | 95 | 100 |
| Transportation | 101 | 101 | 100 |
| Utilities | 97 | 99 | 100 |
| Lifestyle & Entertainment | 96 | 100 | 100 |
| Household Items | 102 | 100 | 100 |
| Education & Childcare | 100 | 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 | $64,730 | $5,394 | $1,510 | $1,942 |
| 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. |
| Marietta, IL | 63 | 99 | 0.8% |
| Ellisville, IL | 100 | 75 | 24.7% |
| St. Augustine, IL | 138 | 79 | 21.4% |
| Gilson, IL | 201 | 80 | 19.7% |
| Avon, IL | 711 | 80 | 19.6% |
| London Mills, IL | 334 | 82 | 17.8% |
| City | Population | Cost of Living Index | National Avg. |
| Colt, AR | 334 | 78 | 21.7% |
| Oak Shores, CA | 334 | 156 | 55.5% |
| Bronson, IA | 334 | 89 | 10.6% |
| Arimo, ID | 334 | 93 | 6.9% |
| Hanaford, IL | 334 | 81 | 18.8% |
| London Mills, IL | 334 | 82 | 17.8% |