- Socorro is a city located in the state of Texas in the United States. It is part of El Paso County and is situated in the Rio Grande Valley, near the border with Mexico. Socorro has a population of approximately 34,000 people and covers an area of 18 square miles. The city is known for its rich history and cultural heritage, with several historical landmarks and museums showcasing its past. Socorro is also home to various recreational opportunities, including parks, trails, and sports facilities. The city is often referred to as "Socorro City" to distinguish it from the nearby Socorro County in New Mexico.