USA
> Pennsylvania > Zip Code 15666
| Zip Code : | 15666 |
| City : | Bear Rocks, Calumet, Mammoth, Mount Pleasant borough, Norvelt |
| County : | Fayette County, Westmoreland County |
| State : | Pennsylvania (PA) |
| Land Area : | 55.00 sq mi |
| Water Area : | 0.19 sq mi |
| Latitude : | 40.1610239 |
| Longitude : | -79.5098141 |
| Population (2010): | 16,461 |
| Population Estimate (2012) : | 16,497 |
| Population Density : | 299.30/sq mi |
| Housing Units (2012) : | 7,631 |
| Median Household Income (2012) : | $43,996 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $55,494 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $111,300 (Pennsylvania : $164,900, USA : $181,400) |