| Index | Mason | Illinois | National |
| Cost of living | 81 | 98 | 100 |
| Groceries | 98 | 100 | 100 |
| Health care | 99 | 100 | 100 |
| Housing | 40 | 95 | 100 |
| Transportation | 100 | 101 | 100 |
| Utilities | 100 | 99 | 100 |
| Lifestyle & Entertainment | 94 | 100 | 100 |
| Household Items | 98 | 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 | $85,053 | $7,088 | $1,984 | $2,552 |
| Renters | $28,458 | $2,372 | $664 | $854 |
| 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. |
| Sailor Springs, IL | 117 | 97 | 3.1% |
| St. Peter, IL | 456 | 81 | 18.6% |
| Kinmundy, IL | 942 | 81 | 18.5% |
| Iola, IL | 94 | 82 | 17.6% |
| Louisville, IL | 1,143 | 81 | 19.2% |
| Mason, IL | 249 | 81 | 19.4% |
| City | Population | Cost of Living Index | National Avg. |
| Hickory Ridge, AR | 249 | 76 | 24.5% |
| East Globe, AZ | 249 | 82 | 17.8% |
| Lanare, CA | 249 | 116 | 15.6% |
| Larkspur, CO | 249 | 98 | 2.0% |
| Yeehaw Junction, FL | 249 | 107 | 6.7% |
| Mason, IL | 249 | 81 | 19.4% |