Sun Valley is located in Lamar County. About 70 people live here (as of 2020). Between 2010 and 2020, the population grew from 69 to 70. The region is at 163 meters above sea level. The area covers about 0.4 square kilometers. There are about 5 streets in Sun Valley. The dialing code is 956. Sun Valley is city in Texas, United States.
| Area | 0.4 km² |
| Elevation | 163 m |
| Located in | Lamar County |
| Country | United States |
| Population | 70 |
| Official name | Sun Valley |
| 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 |