| Index | Portland | Iowa | National |
| Median home price | $0 | $132,800 | $184,700 |
| Median rent asked | $0 | $715 | $949 |
| Avg. people per household | 0.9 | 2.4 | 2.6 |
| Owner occupied households | 100.0% | 71.1% | 63.6% |
| Renter occupied households | 0.0% | 28.9% | 36.4% |
| Population | Home Price | National Avg. | |
| Dougherty, IA | 60 | $0 | 100% |
| Burchinal, IA | 20 | $0 | 100% |
| Swaledale, IA | 132 | $56,700 | 69% |
| Marble Rock, IA | 322 | $57,200 | 69% |
| Mitchell, IA | 142 | $77,100 | 58% |
| Portland, IA | 27 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Byron, OK | 27 | $0 | 100% |
| Louisburg, MN | 27 | $55,000 | 70% |
| Dalton, MO | 27 | $0 | 100% |
| Frenchtown-Rumbly, MD | 27 | $0 | 100% |
| Grand Pass, MO | 27 | $0 | 100% |
| Portland, IA | 27 | $0 | 100% |
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