San Pedro is a census-designated place (CDP) in Cameron County, Texas, United States. The population was 530 at the 2010 census. It is part of the Brownsville - Harlingen Metropolitan Statistical Area.GeographySan Pedro is located in southern Cameron County at, 8mi northwest of the center of Brownsville via U.S. Route 281. The community is less than one mile northeast of the Rio Grande, which forms the Mexico–United States border.According to the United States Census Bureau, the CDP has a total area of 2.5sqmi, all of it land.DemographicsAs of the census of 2000, there were 668 people, 179 households, and 148 families residing in the CDP. The population density was 269.9 people per square mile (104.0/km²). There were 191 housing units at an average density of 77.2/sq mi (29.7/km²). The racial makeup of the CDP was 59.58% White, 0.15% African American, 40.27% from other races. Hispanic or Latino of any race were 96.56% of the population.
