San Juan is a city in Hidalgo County, Texas. The population in July 2010 was 33,970 since then the population of San Juan increased since 2000 by +29.5%. It is part of the McAllen–Edinburg–Mission and Reynosa–McAllen metropolitan areas.HistoryThe community was organized in 1909, in part, due to the efforts of John Closner.The City of San Juan is most commonly known for "Basilica of Our Lady of San Juan" which is one of the largest churches in the Rio Grande Valley.GeographySan Juan is located at .According to the United States Census Bureau, the city has a total area of 11.0sqmi, all of it land.The community is in the valley of the Rio Grande.San Juan is south of Interstate 2/U.S. Route 83 and east of U.S. Route 281.DemographicsAs of the census of 2000, there were 26,229 people, 6,606 households, and 5,952 families residing in the city. The population density was 2,383.0 people per square mile (919.8/km²). There were 7,719 housing units at an average density of 701.3 per square mile (270.7/km²). The racial makeup of the city was 4.4% White, 0.34% African American, 0.8% Native American, 0.09% Asian, 0.03% Pacific Islander, 15.93% from other races, and 1.89% from two or more races. Hispanic or Latino of any race were 95.12% of the population.