| Index | Barnum | Iowa | National |
| Median home price | $107,300 | $132,800 | $184,700 |
| Median rent asked | $446 | $715 | $949 |
| 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 | 22 | $0 | 100% |
| Palmer, IA | 150 | $27,700 | 85% |
| Rinard, IA | 32 | $30,800 | 83% |
| Knierim, IA | 57 | $34,400 | 81% |
| Moorland, IA | 154 | $46,700 | 75% |
| Barnum, IA | 323 | $107,300 | 42% |
| Population | Home Price | National Avg. | |
| East New Market, MD | 323 | $167,200 | 9% |
| Mercer, MO | 323 | $71,300 | 61% |
| Medora, IL | 323 | $75,300 | 59% |
| Montpelier, LA | 323 | $69,400 | 62% |
| Patrick, SC | 323 | $58,600 | 68% |
| Barnum, IA | 323 | $107,300 | 42% |
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