| Index | Greencastle | Pennsylvania | National |
| Median home price | $176,400 | $167,700 | $184,700 |
| Median rent asked | $894 | $859 | $949 |
| 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 | 115 | $0 | 100% |
| Fort Ritchie, MD | 48 | $0 | 100% |
| Fairview, MD | 16 | $0 | 100% |
| Sabillasville, MD | 390 | $0 | 100% |
| Reid, MD | 0 | $0 | 100% |
| Greencastle, PA | 4,008 | $176,400 | 4% |
| Population | Home Price | National Avg. | |
| Kildeer, IL | 4,007 | $635,200 | 244% |
| Nassau Bay, TX | 4,009 | $271,500 | 47% |
| Clay Center, KS | 4,007 | $94,300 | 49% |
| Esparto, CA | 4,009 | $341,800 | 85% |
| Centerville, MN | 4,006 | $265,200 | 44% |
| Greencastle, PA | 4,008 | $176,400 | 4% |
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