Barrera is a census-designated place (CDP) in Starr County, Texas, United States. It is a new CDP, formed from part of the Los Alvarez CDP prior to the 2010 census. As of the 2020 census, Barrera had a population of 122.
Barrera is located at (26.392541, -98.898505).
Most of the CDP lies within the Roma Independent School District, while a portion is in the Rio Grande City Grulla Independent School District (formerly Rio Grande City Consolidated Independent School District). The zoned elementary school for the Roma section is Delia Gonzalez (DG) Garcia Elementary School. Roma High School is the Roma district's sole comprehensive high school.
Barrera first appeared as a census designated place in the 2010 U.S. census after being carved out along with 3 other CDPs (El Quiote, Flor del Rio, and Palo Blanco) from the Los Alvarez CDP.