| Index | Adelphi | Maryland | National |
| Median home price | $585,065 | $517,567 | $326,622 |
| Median rent asked | $2,232 | $1,931 | $1,444 |
| Avg. people per household | 3.3 | 2.6 | 2.6 |
| Owner occupied households | 40.9% | 66.5% | 63.6% |
| Renter occupied households | 59.1% | 33.5% | 36.4% |

| Population | Home Price | National Avg. | |
| Andrews AFB, MD | 3,393 | $0 | 100% |
| Rose Hill CDP (Lee County), VA | 731 | $0 | 100% |
| Wakefield town, VA | 838 | $197,365 | 40% |
| Silver Hill, MD | 5,346 | $358,289 | 10% |
| Upper Marlboro, MD | 601 | $403,563 | 24% |
| Adelphi, MD | 16,780 | $585,065 | 79% |
| Population | Home Price | National Avg. | |
| Pearl River, NY | 16,781 | $828,686 | 154% |
| Auburndale, FL | 16,784 | $338,661 | 4% |
| Los Osos, CA | 16,776 | $1,072,080 | 228% |
| Somerton, AZ | 16,787 | $275,273 | 16% |
| Buffalo, MN | 16,770 | $362,258 | 11% |
| Adelphi, MD | 16,780 | $585,065 | 79% |