Las Pilas is a census-designated place (CDP) in Webb County, Texas, United States. This was a new CDP formed from parts of the Ranchitos Las Lomas CDP prior to the 2010 census. As of the 2020 census, Las Pilas had a population of 7.
Las Pilas is located at (27.681463, -99.183234). The CDP has a total area of , all land.
Las Pilas first appeared as a census-designated place in the 2010 U.S. census, one of seven CDPs (Colorado Acres, Hillside Acres, Las Haciendas, Las Pilas, Los Veteranos I, Pueblo East, and Valle Verde) were formed out the Ranchitos Las Lomas CDP.
Residents are in the United Independent School District. Zoned schools include: Dr. Henry Cuellar Elementary School, Antonio Gonzalez Middle School, and United South High School.
The designated community college for Webb County is Laredo Community College.