Casas is a census-designated place (CDP) in Starr County, Texas, United States.

This was a new CDP for the 2010 census, with a population of 39.

[1] Casas is located at 26°28′32″N 98°56′0″W / 26.47556°N 98.93333°W / 26.47556; -98.93333 (26.475341, -98.933253).

[2] The CDP is within the Roma Independent School District.

[3] Casas first appeared as a census designated place in the 2010 U.S.