| Index | Cobb Island | Maryland | National |
| Median home price | $363,096 | $517,567 | $326,622 |
| Median rent asked | $2,840 | $1,931 | $1,444 |
| Avg. people per household | 2.7 | 2.6 | 2.6 |
| Owner occupied households | 79.5% | 66.5% | 63.6% |
| Renter occupied households | 20.5% | 33.5% | 36.4% |

| Population | Home Price | National Avg. | |
| Rock Point, MD | 64 | $0 | 100% |
| Dahlgren Center, VA | 718 | $0 | 100% |
| Montross, VA | 568 | $361,594 | 11% |
| Colonial Beach, VA | 3,675 | $381,848 | 17% |
| Charlotte Hall, MD | 1,786 | $463,589 | 42% |
| Cobb Island, MD | 1,145 | $363,096 | 11% |
| Population | Home Price | National Avg. | |
| Parker City, IN | 1,145 | $129,233 | 60% |
| Pleasant Hill, IL | 1,145 | $113,407 | 65% |
| Hotevilla-Bacavi, AZ | 1,145 | $204,048 | 38% |
| Dodson Branch, TN | 1,145 | $280,951 | 14% |
| Dale, PA | 1,146 | $62,303 | 81% |
| Cobb Island, MD | 1,145 | $363,096 | 11% |