| Index | St. Clair | Missouri | National |
| Cost of living | 88 | 90 | 100 |
| Groceries | 95 | 96 | 100 |
| Health care | 97 | 97 | 100 |
| Housing | 69 | 77 | 100 |
| Transportation | 98 | 96 | 100 |
| Utilities | 93 | 95 | 100 |
| Lifestyle & Entertainment | 97 | 95 | 100 |
| Household Items | 97 | 97 | 100 |
| Education & Childcare | 92 | 95 | 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 | $64,538 | $5,378 | $1,506 | $1,936 |
| Renters | $52,270 | $4,356 | $1,220 | $1,568 |
| State | General Sales Tax | With Max Surtax |
| Missouri | 4.225% | 10.85% |
| State | Income Tax (Low) | Income Tax (High) |
| Missouri | 2% | 4.95% |
| City | Population | Cost of Living Index | National Avg. |
| Charmwood, MO | 10 | 96 | 4.3% |
| Leslie, MO | 75 | 80 | 20.3% |
| Lake Tekakwitha, MO | 280 | 82 | 17.6% |
| Bourbon, MO | 1,925 | 84 | 16.0% |
| Oak Grove Village, MO | 493 | 86 | 14.1% |
| St. Clair, MO | 4,878 | 88 | 12.3% |
| City | Population | Cost of Living Index | National Avg. |
| Gates, NY | 4,878 | 106 | 5.8% |
| Hillandale, MD | 4,877 | 144 | 44.5% |
| Spring House, PA | 4,879 | 145 | 45.3% |
| Lake Wildwood, CA | 4,876 | 149 | 48.5% |
| Suncoast Estates, FL | 4,876 | 89 | 11.0% |
| St. Clair, MO | 4,878 | 88 | 12.3% |