USA
> Pennsylvania > Zip Code 19311
| Zip Code : | 19311 |
| City : | Avondale borough, Toughkenamon |
| County : | Chester County |
| State : | Pennsylvania (PA) |
| Land Area : | 12.59 sq mi |
| Water Area : | 0.07 sq mi |
| Latitude : | 39.8210951 |
| Longitude : | -75.7713469 |
| Population (2010): | 8,584 |
| Population Estimate (2012) : | 8,805 |
| Population Density : | 681.58/sq mi |
| Housing Units (2012) : | 2,729 |
| Median Household Income (2012) : | $92,338 (Pennsylvania : $52,267, USA : $53,046) |
| Median Family Income (2012) : | $96,864 (Pennsylvania : $65,980, USA : $64,585) |
| Median House Price (2012) : | $368,900 (Pennsylvania : $164,900, USA : $181,400) |