| City : | Marklesburg Borough |
| County : | Huntingdon County |
| State : | Pennsylvania (PA) |
| | |
| Land Area : | 1.04 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 40.3841556 |
| Longitude : | -78.1686083 |
| | |
| Population (2010): | 204 |
| Population Estimate (2012) : | 254 |
| Population Density : | 196.92/sq mi |
| Housing Units (2012) : | 175 |
| Median Household Income (2012) : | $50,313 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $65,313 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $109,500 (Pennsylvania : $164,900, USA : $181,400) |