| Index | Marlborough | Missouri | National |
| Cost of living | 97 | 90 | 100 |
| Groceries | 99 | 96 | 100 |
| Health care | 98 | 97 | 100 |
| Housing | 95 | 77 | 100 |
| Transportation | 95 | 96 | 100 |
| Utilities | 93 | 95 | 100 |
| Lifestyle & Entertainment | 99 | 95 | 100 |
| Household Items | 98 | 97 | 100 |
| Education & Childcare | 97 | 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 | $80,909 | $6,742 | $1,888 | $2,428 |
| Renters | $63,702 | $5,309 | $1,486 | $1,911 |
| 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. |
| Champ, MO | 3 | 96 | 4.1% |
| Peaceful Village, MO | 95 | 69 | 31.1% |
| Brooklyn, IL | 445 | 74 | 26.2% |
| East St. Louis, IL | 27,033 | 77 | 22.5% |
| Alorton, IL | 2,149 | 78 | 22.3% |
| Marlborough, MO | 2,793 | 97 | 3.4% |
| City | Population | Cost of Living Index | National Avg. |
| Inverness Highlands North, FL | 2,793 | 93 | 6.6% |
| Sewaren, NJ | 2,793 | 128 | 28.1% |
| Crest, CA | 2,792 | 152 | 51.9% |
| Avilla, IN | 2,792 | 88 | 12.0% |
| Jonesville, MI | 2,794 | 87 | 13.4% |
| Marlborough, MO | 2,793 | 97 | 3.4% |