| Zip Code : | 78746 |
| City : | Austin city, Lost Creek, Rollingwood city, West Lake Hills city |
| County : | Travis County |
| State : | Texas (TX) |
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| Land Area : | 22.49 sq mi |
| Water Area : | 0.91 sq mi |
| Latitude : | 30.2954237 |
| Longitude : | -97.8083505 |
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| Population (2010): | 26,928 |
| Population Estimate (2012) : | 26,939 |
| Population Density : | 1,197.14/sq mi |
| Housing Units (2012) : | 11,520 |
| Median Household Income (2012) : | $125,327 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $167,295 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $619,900 (Texas : $128,000, USA : $181,400) |