| Index | Promise City | Iowa | National |
| Median home price | $78,430 | $240,019 | $326,622 |
| Median rent asked | $0 | $1,071 | $1,444 |
| Avg. people per household | 1.8 | 2.4 | 2.6 |
| Owner occupied households | 59.0% | 71.1% | 63.6% |
| Renter occupied households | 41.0% | 28.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Powersville, MO | 61 | $0 | 100% |
| Millerton, IA | 128 | $0 | 100% |
| Numa, IA | 81 | $83,227 | 75% |
| Mystic, IA | 323 | $90,001 | 72% |
| Cincinnati, IA | 275 | $92,300 | 72% |
| Promise City, IA | 75 | $78,430 | 76% |
| Population | Home Price | National Avg. | |
| Summit Lake, WI | 75 | $280,073 | 14% |
| Esterbrook, WY | 75 | $569,433 | 74% |
| Adamsville, PA | 75 | $180,015 | 45% |
| Lindcove, CA | 75 | $338,200 | 4% |
| Willow Creek, AK | 75 | $0 | 100% |
| Promise City, IA | 75 | $78,430 | 76% |