| Zip Code : | 78640 |
| City : | Kyle city, Mountain city, Mustang Ridge city, Niederwald city, Uhland city |
| County : | Caldwell County, Hays County |
| State : | Texas (TX) |
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| Land Area : | 91.66 sq mi |
| Water Area : | 0.84 sq mi |
| Latitude : | 29.9991034 |
| Longitude : | -97.8282074 |
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| Population (2010): | 42,954 |
| Population Estimate (2012) : | 42,080 |
| Population Density : | 468.62/sq mi |
| Housing Units (2012) : | 13,673 |
| Median Household Income (2012) : | $63,855 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $66,917 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $138,400 (Texas : $128,000, USA : $181,400) |