| Index | Portland | Iowa | National |
| Median home price | $0 | $240,019 | $326,622 |
| Median rent asked | $0 | $1,071 | $1,444 |
| 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 | 61 | $0 | 100% |
| Burchinal, IA | 20 | $0 | 100% |
| Marble Rock, IA | 329 | $100,722 | 69% |
| Swaledale, IA | 136 | $104,876 | 68% |
| Mitchell, IA | 147 | $136,319 | 58% |
| Portland, IA | 29 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Cobden, MN | 29 | $107,901 | 67% |
| Burr, NE | 29 | $0 | 100% |
| Juntura, OR | 29 | $0 | 100% |
| Biehle, MO | 29 | $0 | 100% |
| Lee Mont, VA | 29 | $0 | 100% |
| Portland, IA | 29 | $0 | 100% |