Mustang Ridge is a city in Caldwell, Bastrop, and Travis Counties in the U.S. state of Texas. The population was 861 at the 2010 census.
Mustang Ridge is located at 30°02′53″N 97°41′26″W / 30.048123°N 97.690583°W / 30.048123; -97.690583 (30.048123, -97.690583).
According to the United States Census Bureau, the city has a total area of 3.8 square miles (9.8 km), all land.
As of the census of 2000, 785 people, 256 households, and 214 families resided in the city. The population density was 206.9 people per square mile (80.0/km). The 274 housing units averaged 72.2/sq mi (27.9/km). The racial makeup of the city was 67.52% White, 4.08% African American, 2.80% Native American, 0.38% Asian, 22.93% from other races, and 2.29% from two or more races. Hispanics or Latinos of any race were 48.41% of the population.
Of the 256 households, 40.6% had children under the age of 18 living with them, 64.8% were married couples living together, 11.3% had a female householder with no husband present, and 16.4% were not families. About 12.9% of all households were made up of individuals, and 4.7% had someone living alone who was 65 years of age or older. The average household size was 3.07 and the average family size was 3.35.
In the city, the population was distributed as 29.3% under the age of 18, 8.7% from 18 to 24, 31.6% from 25 to 44, 21.4% from 45 to 64, and 9.0% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 106.0 males. For every 100 females age 18 and over, there were 102.6 males.
The median income for a household in the city was $41,771, and for a family was $46,563. Males had a median income of $31,076 versus $23,182 for females. The per capita income for the city was $15,258. About 5.8% of families and 7.9% of the population were below the poverty line, including 8.9% of those under age 18 and 21.5% of those age 65 or over.