| Index | Olney | Maryland | National |
| Median home price | $930,513 | $517,567 | $326,622 |
| Median rent asked | $3,110 | $1,931 | $1,444 |
| Avg. people per household | 2.9 | 2.6 | 2.6 |
| Owner occupied households | 88.9% | 66.5% | 63.6% |
| Renter occupied households | 11.1% | 33.5% | 36.4% |

| Population | Home Price | National Avg. | |
| Greenbelt, MD | 23,942 | $404,193 | 24% |
| Leisure World, MD | 9,569 | $431,609 | 32% |
| Cottage City, MD | 1,193 | $435,540 | 33% |
| Landover Hills, MD | 2,124 | $440,923 | 35% |
| Langley Park, MD | 19,837 | $466,505 | 43% |
| Olney, MD | 36,549 | $930,513 | 185% |
| Population | Home Price | National Avg. | |
| Temple City, CA | 36,531 | $1,297,314 | 297% |
| Watertown Town, MA | 36,568 | $1,090,058 | 234% |
| South Miami Heights, FL | 36,522 | $450,032 | 38% |
| Claremont, CA | 36,495 | $1,206,588 | 269% |
| Princeton, FL | 36,609 | $509,583 | 56% |
| Olney, MD | 36,549 | $930,513 | 185% |