Eagle Pass is a city in and the county seat of Maverick County in the U.S. state of Texas. Its population was 28,130 as of the 2020 census. Eagle Pass borders the city of Piedras Negras, Coahuila, Mexico, which is to the southwest and across the Rio Grande. The Eagle Pass-Piedras Negras metropolitan area is one of six binational metropolitan areas along the United States-Mexican border.