El Paso is a city in and the county seat of El Paso County, Texas, United States. The 2020 population of the city from the U.S. Census Bureau was 678,815, making it the 22nd-most populous city in the U.S., the most populous city in West Texas, and the sixth-most populous city in Texas. Its metropolitan statistical area covers all of El Paso and Hudspeth counties in Texas, and had a population of 868,859 in 2020.

Hudspeth County is a county located in the U.S. state of Texas. As of the 2020 census, the population was 3,202. Its county seat is Sierra Blanca, and the largest community is Fort Hancock. The county is named for Claude Benton Hudspeth, a state senator and United States Representative from El Paso. It is northeast of the Mexico–U.S. border.