East Lopez, TexasEast Lopez is a census-designated place in Starr County, Texas, United States. This was a new CDP for the 2010 census, with a population of 166.GeographyEast Lopez is located at .DemographicsEast Lopez first appeared as a census designated place in the 2010 U.S. census. The CDP's name was changed from "East Lopez" to "E. Lopez" prior to the 2020 U.S. census.EducationThe CDP is within the Rio Grande City Grulla Independent School District