Round Mountain is located in Blanco County. About 101 people live here (as of 2020). Between 2010 and 2020, the population declined from 181 to 101. The region is at 390 meters above sea level. The area covers about 6.0 square kilometers. There are about 30 streets in Round Mountain. The postal codes are 78663. The dialing code is 830. Round Mountain is town in Blanco County, Texas, United States.
| Area | 6.0 km² |
| Elevation | 390 m |
| Located in | Blanco County |
| Postal code | 78663 |
| Country | United States |
| Population | 101 |
| Official name | Round Mountain |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |
Public transit map Round Mountain Legend 
Bicycle map Round Mountain Legend 
Pedestrian map Round Mountain Legend