| Zip Code : | 78636 |
| City : | Johnson city, Round Mountain town |
| County : | Blanco County |
| State : | Texas (TX) |
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| Land Area : | 349.69 sq mi |
| Water Area : | 2.77 sq mi |
| Latitude : | 30.3151958 |
| Longitude : | -98.4235094 |
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| Population (2010): | 3,749 |
| Population Estimate (2012) : | 4,103 |
| Population Density : | 10.72/sq mi |
| Housing Units (2012) : | 2,019 |
| Median Household Income (2012) : | $47,179 (Texas : $51,563, USA : $53,046) |
| Median Family Income (2012) : | $51,745 (Texas : $60,621, USA : $64,585) |
| Median House Price (2012) : | $169,900 (Texas : $128,000, USA : $181,400) |