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

[3] It is bordered to the south by Solis and is 5 miles (8 km) northwest of La Feria.

15.5% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older.

About 21.7% of families and 25.6% of the population were below the poverty line, including none of those under the age of eighteen and 56.7% of those 65 or over.

Ratamosa is served by the La Feria Independent School District.