| Index | Lanark | Illinois | National |
| Cost of living | 84 | 98 | 100 |
| Groceries | 98 | 100 | 100 |
| Health care | 98 | 100 | 100 |
| Housing | 53 | 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 | $93,202 | $7,767 | $2,175 | $2,796 |
| Renters | $42,094 | $3,508 | $982 | $1,263 |
| 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. |
| Freeport, IL | 24,837 | 82 | 17.6% |
| Milledgeville, IL | 1,014 | 83 | 17.0% |
| Mount Carroll, IL | 1,557 | 82 | 17.6% |
| Chadwick, IL | 544 | 83 | 17.1% |
| Coleta, IL | 236 | 84 | 16.3% |
| Lanark, IL | 1,510 | 84 | 15.9% |
| City | Population | Cost of Living Index | National Avg. |
| Wurtland, KY | 1,510 | 82 | 18.4% |
| Broadway, NC | 1,510 | 95 | 4.7% |
| Leavittsburg, OH | 1,510 | 84 | 16.0% |
| Carrizo Hill, TX | 1,510 | 98 | 1.7% |
| Stratford, WI | 1,510 | 93 | 6.8% |
| Lanark, IL | 1,510 | 84 | 15.9% |