| Index | Promise City | Iowa | National |
| Cost of living | 74 | 89 | 100 |
| Groceries | 96 | 97 | 100 |
| Health care | 94 | 96 | 100 |
| Housing | 24 | 74 | 100 |
| Transportation | 96 | 97 | 100 |
| Utilities | 92 | 95 | 100 |
| Lifestyle & Entertainment | 98 | 95 | 100 |
| Household Items | 99 | 97 | 100 |
| Education & Childcare | 91 | 94 | 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 | $51,968 | $4,331 | $1,213 | $1,559 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Iowa | 6% | 7% |
| State | Income Tax (Low) | Income Tax (High) |
| Iowa | 4.4% | 6% |
| City | Population | Cost of Living Index | National Avg. |
| Powersville, MO | 61 | 95 | 4.7% |
| Millerton, IA | 128 | 95 | 4.7% |
| Numa, IA | 81 | 74 | 25.7% |
| Rathbun, IA | 43 | 76 | 23.9% |
| Mystic, IA | 323 | 77 | 22.6% |
| Promise City, IA | 75 | 74 | 26.1% |
| City | Population | Cost of Living Index | National Avg. |
| Willow Creek, AK | 75 | 118 | 18.0% |
| Lindcove, CA | 75 | 114 | 13.7% |
| Paoli, CO | 75 | 94 | 6.4% |
| Comstock, MN | 75 | 86 | 13.6% |
| Foster, MO | 75 | 78 | 21.7% |
| Promise City, IA | 75 | 74 | 26.1% |