| Official Name: | Sun Valley, Texas |
| Settlement Type: | City |
| Pushpin Map: | Texas |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Texas |
| Pushpin Mapsize: | --> |
| Mapsize: | 300px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Lamar |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.42 |
| Area Land Km2: | 0.42 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.16 |
| Area Land Sq Mi: | 0.16 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 70 |
| Population Density Km2: | 165.7 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 163 |
| Elevation Ft: | 535 |
| Coordinates: | 33.6669°N -95.4278°W |
| Blank Name: | FIPS code |
| Blank Info: | 48-71356[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1388548[3] |
Sun Valley is a small city in Lamar County, Texas, United States. The population was 69 at the 2010 census,[4] up from 51 at the 2000 census; in 2020, its population was 70.[5]
Sun Valley is located in eastern Lamar County at 33.6669°N -95.4278°W (33.666881, –95.427795).[6] It is 7miles east of Paris, the county seat, and 10miles west of Detroit. U.S. Route 82 touches the southern part of the Sun Valley city limits. According to the United States Census Bureau, the city has a total area of 0.4km2, all land. The area drains south to Mulberry Creek, part of the Sulphur River watershed flowing east into Arkansas.
As of the census of 2000, there were 51 people, 18 households, and 14 families residing in the city. The population density was 332sp=usNaNsp=us. There were 31 housing units at an average density of 201.8sp=usNaNsp=us. The racial makeup of the city was 86.27% White, 13.73% from other races. Hispanic or Latino of any race were 15.69% of the population.
There were 18 households, out of which 50.0% had children under the age of 18 living with them, 61.1% were married couples living together, 11.1% had a female householder with no husband present, and 16.7% were non-families. 16.7% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.83 and the average family size was 3.07.
In the city, the population was spread out, with 25.5% under the age of 18, 15.7% from 18 to 24, 27.5% from 25 to 44, 27.5% from 45 to 64, and 3.9% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 121.7 males. For every 100 females age 18 and over, there were 100.0 males.
The median income for a household in the city was $27,500, and the median income for a family was $28,333. Males had a median income of $23,036 versus $26,250 for females. The per capita income for the city was $24,129. None of the population or families were below the poverty line.
Sun Valley is served by the North Lamar Independent School District.