| Index | Allen | Maryland | National |
| Median home price | $323,605 | $517,567 | $326,622 |
| Median rent asked | $0 | $1,931 | $1,444 |
| Avg. people per household | 1.5 | 2.6 | 2.6 |
| Owner occupied households | 100.0% | 66.5% | 63.6% |
| Renter occupied households | 0.0% | 33.5% | 36.4% |

| Population | Home Price | National Avg. | |
| Waterview, MD | 21 | $0 | 100% |
| Whitehaven, MD | 173 | $0 | 100% |
| Frenchtown-Rumbly, MD | 28 | $0 | 100% |
| West Pocomoke, MD | 470 | $0 | 100% |
| Nanticoke Acres, MD | 36 | $0 | 100% |
| Allen, MD | 429 | $323,605 | 1% |
| Population | Home Price | National Avg. | |
| Junction City, WI | 429 | $180,389 | 45% |
| June Lake, CA | 429 | $756,533 | 132% |
| Ulen, MN | 429 | $167,532 | 49% |
| Kasigluk, AK | 429 | $89,325 | 73% |
| Follett, TX | 429 | $161,677 | 51% |
| Allen, MD | 429 | $323,605 | 1% |