| Index | Greencastle | Pennsylvania | National |
| Median home price | $316,790 | $296,372 | $326,622 |
| Median rent asked | $1,374 | $1,283 | $1,444 |
| Avg. people per household | 2.5 | 2.4 | 2.6 |
| Owner occupied households | 66.7% | 69.0% | 63.6% |
| Renter occupied households | 33.3% | 31.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Cearfoss, MD | 120 | $0 | 100% |
| Fort Ritchie, MD | 49 | $0 | 100% |
| Fairview, MD | 16 | $0 | 100% |
| Sabillasville, MD | 403 | $0 | 100% |
| Reid, MD | 0 | $0 | 100% |
| Greencastle, PA | 4,088 | $316,790 | 3% |
| Population | Home Price | National Avg. | |
| Norton, VA | 4,088 | $139,174 | 57% |
| Midway North, TX | 4,086 | $147,688 | 55% |
| Fairway, KS | 4,086 | $758,231 | 132% |
| Bealeton, VA | 4,091 | $500,137 | 53% |
| Echols County, GA | 4,085 | $136,965 | 58% |
| Greencastle, PA | 4,088 | $316,790 | 3% |