| Index | Marklesburg | Pennsylvania | National |
| Income per capita | $35,945 | $45,532 | $44,883 |
| Median household income | $70,147 | $80,478 | $81,333 |
| Median income owner occupied | $71,794 | $100,571 | $106,172 |
| Median income renter occupied | $0 | $46,621 | $52,080 |
| Median earnings male | $59,591 | $57,544 | $54,343 |
| Median earnings female | $0 | $39,017 | $38,439 |
| Unemployment rate | 2.4% | 4.7% | 4.9% |
| Poverty level | 4.3% | 13.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 12.4% | 12.4% |
| Manufacturing sector | 24.7% | 24.7% |
| Financial & insurance services | 1.1% | 1.1% |
| Wholesale & retail services | 13.5% | 13.5% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 15.7% | 15.7% |
| Education, health & social services | 13.5% | 13.5% |
| Other | 19.1% | 19.1% |
| City | Population | Household Income | National Avg. |
| East Freedom, PA | 598 | $109,598 | 34.8% |
| McConnellstown, PA | 1,511 | $108,312 | 33.2% |
| Saltillo, PA | 369 | $93,675 | 15.2% |
| Greenwood, PA | 3,670 | $89,357 | 9.9% |
| Broad Top City, PA | 479 | $88,467 | 8.8% |
| Marklesburg, PA | 384 | $70,147 | 13.8% |
| City | Population | Household Income | National Avg. |
| Portland, AR | 384 | $58,469 | 28.1% |
| Mount Clare, IL | 384 | $45,820 | 43.7% |
| Shelby, IN | 384 | $83,195 | 2.3% |
| Woodburn, KY | 384 | $110,578 | 36.0% |
| Beaver Crossing, NE | 384 | $83,922 | 3.2% |
| Marklesburg, PA | 384 | $70,147 | 13.8% |