| Index | Harper | Oregon | National |
| Median home price | $304,315 | $442,263 | $326,622 |
| Median rent asked | $732 | $1,428 | $1,444 |
| Avg. people per household | 2.5 | 2.5 | 2.6 |
| Owner occupied households | 73.8% | 61.4% | 63.6% |
| Renter occupied households | 26.2% | 38.6% | 36.4% |
| Population | Home Price | National Avg. | |
| Harper, OR | 108 | $304,315 | 7% |
| Population | Home Price | National Avg. | |
| Carpenter, IA | 108 | $96,222 | 71% |
| Unionville, IA | 108 | $131,264 | 60% |
| Dames Quarter, MD | 108 | $558,784 | 71% |
| Franklin CDP (Sacramento County), CA | 108 | $557,428 | 71% |
| Fence Lake, NM | 108 | $0 | 100% |
| Harper, OR | 108 | $304,315 | 7% |