| Index | Greencastle | Pennsylvania | National |
| Median home price | $188,700 | $167,700 | $184,700 |
| Median rent asked | $764 | $859 | $949 |
| Avg. people per household | 2.3 | 2.4 | 2.6 |
| Owner occupied households | 57.7% | 69.0% | 63.6% |
| Renter occupied households | 42.3% | 31.0% | 36.4% |
| Index | Greencastle | Pennsylvania | National |
| Zillow home value index | n/a | $158,900 | $196,500 |
| Year over year appreciation rate | n/a | 3.92% | 6.79% |
| 5 year average appreciation rate | n/a | 2.15% | 5.28% |
| 10 year average appreciation rate | n/a | 0.47% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| Fairview, MD | 0 | $0 | 100% |
| Indian Springs, MD | 57 | $0 | 100% |
| Fort Ritchie, MD | 225 | $0 | 100% |
| Reid, MD | 56 | $0 | 100% |
| Kemps Mill, MD | 33 | $0 | 100% |
| Greencastle, PA | 4,039 | $188,700 | 2% |
| City, State | Population | Home Price | National Avg. |
| North Richmond, CA | 4,039 | $247,700 | 34% |
| Fremont, MI | 4,038 | $91,500 | 50% |
| Charleroi, PA | 4,037 | $45,300 | 75% |
| Hebron, IN | 4,041 | $131,100 | 29% |
| Heron Bay, GA | 4,042 | $195,800 | 6% |
| Greencastle, PA | 4,039 | $188,700 | 2% |