| Index | Mount Gretna | Pennsylvania | National |
| Median home price | $507,245 | $296,372 | $326,622 |
| Median rent asked | $0 | $1,283 | $1,444 |
| Avg. people per household | 1.8 | 2.4 | 2.6 |
| Owner occupied households | 89.9% | 69.0% | 63.6% |
| Renter occupied households | 10.1% | 31.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Rehrersburg, PA | 202 | $0 | 100% |
| Fort Indiantown Gap, PA | 66 | $0 | 100% |
| Witmer, PA | 162 | $0 | 100% |
| Brownstown borough, PA | 822 | $102,713 | 69% |
| Lebanon, PA | 26,484 | $175,211 | 46% |
| Mount Gretna, PA | 171 | $507,245 | 55% |
| Population | Home Price | National Avg. | |
| Cassandra, PA | 171 | $121,121 | 63% |
| Temperanceville, VA | 171 | $265,907 | 19% |
| Port Wing, WI | 171 | $190,350 | 42% |
| Redmon, IL | 171 | $132,211 | 60% |
| Sedgwick, AR | 171 | $110,920 | 66% |
| Mount Gretna, PA | 171 | $507,245 | 55% |