| Index | Herculaneum | Missouri | National |
| Cost of living | 102 | 90 | 100 |
| Groceries | 96 | 96 | 100 |
| Health care | 97 | 97 | 100 |
| Housing | 116 | 77 | 100 |
| Transportation | 98 | 96 | 100 |
| Utilities | 99 | 95 | 100 |
| Lifestyle & Entertainment | 92 | 95 | 100 |
| Household Items | 96 | 97 | 100 |
| Education & Childcare | 96 | 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 | $121,931 | $10,161 | $2,845 | $3,658 |
| Renters | $54,025 | $4,502 | $1,260 | $1,621 |
| 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. |
| Peaceful Village, MO | 95 | 69 | 31.1% |
| Horine, MO | 1,133 | 83 | 17.4% |
| Grayhawk, MO | 801 | 83 | 17.3% |
| Fults, IL | 21 | 85 | 15.4% |
| Cedar Hill Lakes, MO | 354 | 84 | 15.6% |
| Herculaneum, MO | 4,222 | 102 | 2.2% |
| City | Population | Cost of Living Index | National Avg. |
| Marine City, MI | 4,222 | 90 | 9.5% |
| Moxee, WA | 4,222 | 114 | 14.3% |
| Livingston, TN | 4,221 | 85 | 15.2% |
| Whiteman AFB, MO | 4,223 | 101 | 1.2% |
| Shrewsbury, NJ | 4,223 | 175 | 74.6% |
| Herculaneum, MO | 4,222 | 102 | 2.2% |