El Paso is a city in and the county seat of El Paso County, Texas, United States, and lies in West Texas. According to the United States Census Bureau's 2008 population estimates, the city had a population of 665,055.It is the sixth-largest city in Texas and the 22nd-largest city in the United States. El Paso is home to the University of Texas at El Paso (founded in 1914 as The Texas State School of Mines and Metallurgy, and later, Texas Western College; its present name dates from 1967) and the Texas Tech University Health Sciences Center at El Paso. El Paso is an important entry point to the U.S. from Mexico. Once a major copper refining area, chief manufacturing industries in El Paso now include food production, clothing, construction materials, electronic and medical equipment, and plastics. Cotton, fruit, vegetables, livestock, and pecans are produced in the area. With El Paso's attractive climate and natural beauty, tourism has become a booming industry as well as trade with neighboring Ciudad Ju rez.