Mustang is a town in Navarro County, Texas, United States. The population was 21 at the 2010 census, making it the smallest town in Texas.
Mustang is located at 32°00′45″N 96°25′52″W / 32.012629°N 96.431178°W / 32.012629; -96.431178 (32.012629, -96.431178). It is situated at the northeast corner of the junction of Interstate 45 and FM 739 in central Navarro County.
According to the United States Census Bureau, the town has a total area of 0.1 square miles (0.26 km), all of it land.
As of the census of 2000, there were 47 people, 20 households, and 12 families residing in the town. The population density was 372.6 people per square mile (139.6/km). There were 23 housing units at an average density of 182.3 per square mile (68.3/km). The racial makeup of the town was 89.36% White, 8.51% African American, and 2.13% from two or more races.
There were 20 households out of which 40.0% had children under the age of 18 living with them, 30.0% were married couples living together, 25.0% had a female householder with no husband present, and 40.0% were non-families. 40.0% of all households were made up of individuals and 5.0% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 3.08.
In the town, the population was spread out with 36.2% under the age of 18, 12.8% from 18 to 24, 27.7% from 25 to 44, 21.3% from 45 to 64, and 2.1% who were 65 years of age or older. The median age was 26 years. For every 100 females, there were 104.3 males. For every 100 females age 18 and over, there were 114.3 males.
The median income for a household in the town was $46,250, and the median income for a family was $46,667. Males had a median income of $31,250 versus $0 for females. The per capita income for the town was $75,692. There were no families and 3.8% of the population living below the poverty line, including no under eighteens and 100.0% of those over 64.