Sammy Martinez is a census-designated place (CDP) in Starr County, Texas, United States. This was a new CDP for the 2010 census. As of the 2020 census, Sammy Martinez had a population of 123.
Sammy Martinez is located at (26.432861, -98.751290).
Sammy Martinez 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)