| City : | Sienna Plantation |
| County : | Fort Bend County |
| State : | Texas (TX) |
| Land Area : | 13.61 sq mi |
| Water Area : | 0.43 sq mi |
| Latitude : | 29.4887152 |
| Longitude : | -95.5011286 |
| Population (2010): | 13,721 |
| Population Estimate (2012) : | 13,375 |
| Population Density : | 1,008.05/sq mi |
| Housing Units (2012) : | 4,214 |
| Median Household Income (2012) : | $143,724 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $150,253 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $255,400 (Texas : $128,000, USA : $181,400) |