Rio Bravo is located at . According to the United States Census Bureau, the city has a total area of 0.7 square mile, of which 0.7 square mile is land and 1.45% is covered by water.
Demographics
As of the updated census of 2013, 4,852 people, 1,204 households, and 1,122 families resided in the city. The population density was 8,153.4 people per square mile. The 1,347 housing units averaged 1,977.8/sq mi. The racial makeup of the city was 78.61% White, 0.34% African American, 0.99% Native American, 0.02% Asian, 0.02% Pacific Islander, 16.62% from other races, and 3.40% from two or more races. Hispanics or Latinos of any race were 97.69% of the population. Of the 1,204 households, 70.7% had children under the age of 18 living with them, 74.1% were married couplesliving together, 15.2% had a female householder with no husband present, and 6.8% were not families. About 6.2% of all households were made up of individuals, and 2.6% had someone living alone who was 65 years of age or older. The average household size was 4.61, and the average family size was 4.82. In the city, the population was distributed as 45.8% under the age of 18, 12.3% from 18 to 24, 25.8% from 25 to 44, 12.0% from 45 to 64, and 4.1% who were 65 years of age or older. The median age was 20 years. For every 100 females, there were 96.1 males. For every 100 females age 18 and over, there were 90.3 males. The median income for a household in the city was $26,816.00 per family, and for a family was $17,513. Males had a median income of $14,265 versus $12,222 for females. The per capita income for the city was $4,566. About 53.4% of families and 57.6% of the population were below the poverty line, including 64.1% of those under age 18 and 55.1% of those age 65 or over.
Education
Rio Bravo is served by the United Independent School District. The eastern half of Rio Bravo used to be zoned to United D.D. Hachar Elementary School in unincorporated Webb County. The western half used to be zoned to Juarez-Lincoln Elementary School in unincorporated Webb County. All of Rio Bravo is zoned to Juarez-Lincoln Elementary School which is located at the former United D.D. Hachar Elementary School. All of Rio Bravo is zoned to Salvador GarciaMiddle School and Lyndon B. Johnson High School.