Eagle Pass is a city in and the county seat of Maverick County, Texas, United States. The population was 22,413 at the 2000 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 (EG-PN) is one of six bi-national metropolitan areas along the United States-Mexican border. As of January 2008 (United States Census, 2008), the Eagle Pass Metropolitan Area's population is 48,401 people, and the Piedras Negras Metropolitan Area's population is 169,771.