| City : | Allen City |
| County : | Collin County |
| State : | Texas (TX) |
| Land Area : | 26.29 sq mi |
| Water Area : | 0.10 sq mi |
| Latitude : | 33.1072239 |
| Longitude : | -96.6746760 |
| Population (2010): | 84,246 |
| Population Estimate (2012) : | 84,387 |
| Population Density : | 3,204.30/sq mi |
| Housing Units (2012) : | 28,877 |
| Median Household Income (2012) : | $101,966 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $113,025 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $197,400 (Texas : $128,000, USA : $181,400) |