Zarate is a census-designated place (CDP) in Starr County, Texas, United States. It was a new CDP for the 2010 census. As of the 2020 census, Zarate had a population of 79.
Zarate is located at (26.319936, -98.636931).
Zarate first appeared as a census designated place in the 2010 U.S. census.
The CDP is within the Rio Grande City Grulla Independent School District (formerly Rio Grande City Consolidated Independent School District)