| Index | Barnum | Iowa | National |
| Median home price | $192,844 | $240,019 | $326,622 |
| Median rent asked | $664 | $1,071 | $1,444 |
| Avg. people per household | 2.1 | 2.4 | 2.6 |
| Owner occupied households | 90.4% | 71.1% | 63.6% |
| Renter occupied households | 9.6% | 28.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Pioneer, IA | 23 | $0 | 100% |
| Palmer, IA | 153 | $48,708 | 85% |
| Rinard, IA | 34 | $54,362 | 83% |
| Knierim, IA | 58 | $62,989 | 81% |
| Moorland, IA | 160 | $83,444 | 74% |
| Barnum, IA | 329 | $192,844 | 41% |
| Population | Home Price | National Avg. | |
| Rhodes, IA | 329 | $142,688 | 56% |
| Hoytville, OH | 329 | $147,706 | 55% |
| Fredonia, PA | 329 | $160,381 | 51% |
| Twin Groves, AR | 329 | $126,692 | 61% |
| Jamestown, WA | 329 | $585,903 | 79% |
| Barnum, IA | 329 | $192,844 | 41% |