2020 census As of the
2020 census, Balcones Heights had a population of 2,746. The median age was 35.5 years. 22.3% of residents were under the age of 18 and 11.9% of residents were 65 years of age or older. For every 100 females there were 99.3 males, and for every 100 females age 18 and over there were 100.7 males age 18 and over. There were 558 families residing in the city. 100.0% of residents lived in urban areas, while 0% lived in rural areas. There were 1,351 households in Balcones Heights, of which 25.0% had children under the age of 18 living in them. Of all households, 20.1% were married-couple households, 34.8% were households with a male householder and no spouse or partner present, and 36.3% were households with a female householder and no spouse or partner present. About 46.9% of all households were made up of individuals and 9.7% had someone living alone who was 65 years of age or older. There were 1,572 housing units, of which 14.1% were vacant. Among occupied housing units, 15.4% were owner-occupied and 84.6% were renter-occupied. The homeowner vacancy rate was <0.1% and the rental vacancy rate was 11.6%.
2000 census As of the
census of 2000, 3,016 people, 1,437 households, and 708 families lived in the city. The population density was . The 1,539 housing units had an average density of . The
racial makeup of the city was 69.66% White, 5.37% African American, 1.56% Native American, 1.13% Asian, 17.44% from other races, and 4.84% from two or more races. Hispanics or Latinos of any race were 69.60% of the population. Of the 1,437 households, 27.2% had children under 18 living with them, 26.2% were married couples living together, 18.2% had a female householder with no husband present, and 50.7% were not families. About 43.6% of all households were made up of individuals, and 7.7% had someone living alone who was 65 or older. The average household size was 2.10, and the average family size was 2.92. In the city, the age distribution was 23.7% under 18, 14.5% from 18 to 24, 33.1% from 25 to 44, 19.5% from 45 to 64, and 9.2% who were 65 or older. The median age was 32 years. For every 100 females, there were 107.1 males. For every 100 females 18 and over, there were 107.1 males. The median income for a household in the city was $21,452, and for a family was $27,074. Males had a median income of $21,209 versus $18,944 for females. The
per capita income for the city was $13,529. About 18.1% of families and 21.1% of the population were below the
poverty line, including 23.6% of those under 18 and 15.2% of those 65 or over. ==Education==