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| City : | Arnold City |
| County : | Westmoreland County |
| State : | Pennsylvania (PA) |
| Land Area : | 0.73 sq mi |
| Water Area : | 0.09 sq mi |
| Latitude : | 40.5789161 |
| Longitude : | -79.7652928 |
| Population (2010): | 5,157 |
| Population Estimate (2012) : | 5,150 |
| Population Density : | 7,044.76/sq mi |
| Housing Units (2012) : | 2,811 |
| Median Household Income (2012) : | $25,432 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $27,261 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $64,100 (Pennsylvania : $164,900, USA : $181,400) |