| Index | Barnesville | Maryland | National |
| Median home price | $964,802 | $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. | |
| Brunswick, MD | 6,559 | $430,224 | 32% |
| Summerfield, MD | 14,929 | $475,541 | 46% |
| Frederick, MD | 73,590 | $494,629 | 51% |
| Ballenger Creek, MD | 22,229 | $510,550 | 56% |
| University Center, VA | 3,997 | $539,299 | 65% |
| Barnesville, MD | 167 | $964,802 | 195% |
| Population | Home Price | National Avg. | |
| Ashville, PA | 167 | $134,407 | 59% |
| Rock Falls, IA | 167 | $231,262 | 29% |
| Alpha, MN | 167 | $104,063 | 68% |
| Tampa, KS | 167 | $89,094 | 73% |
| Luray, KS | 167 | $97,484 | 70% |
| Barnesville, MD | 167 | $964,802 | 195% |