| Index | Mount Gretna Heights | Pennsylvania | National |
| Income per capita | $72,690 | $45,532 | $44,883 |
| Median household income | $146,328 | $80,478 | $81,333 |
| Median income owner occupied | $143,846 | $100,571 | $106,172 |
| Median income renter occupied | $0 | $46,621 | $52,080 |
| Median earnings male | $0 | $57,544 | $54,343 |
| Median earnings female | $0 | $39,017 | $38,439 |
| Unemployment rate | 5.8% | 4.7% | 4.9% |
| Poverty level | 0.0% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 19.7% | 19.7% |
| Manufacturing sector | 6.6% | 6.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 24.6% | 24.6% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 26.2% | 26.2% |
| Other | 23.0% | 23.0% |
| City | Population | Household Income | National Avg. |
| Fort Indiantown Gap, PA | 66 | $242,578 | 198.3% |
| Mount Gretna, PA | 171 | $201,400 | 147.6% |
| Penryn, PA | 1,085 | $179,192 | 120.3% |
| Smoketown, PA | 39 | $165,962 | 104.1% |
| Maytown, PA | 4,266 | $151,717 | 86.5% |
| Mount Gretna Heights, PA | 296 | $146,328 | 79.9% |
| City | Population | Household Income | National Avg. |
| Sherrill, AR | 296 | $27,341 | 66.4% |
| Bowles, CA | 296 | $0 | 100.0% |
| Desert Center, CA | 296 | $50,503 | 37.9% |
| Barwick, GA | 296 | $46,769 | 42.5% |
| Cecil, GA | 296 | $50,182 | 38.3% |
| Mount Gretna Heights, PA | 296 | $146,328 | 79.9% |