The county seat of El Paso County, Texas, El Paso lies in far West Texas with a population estimate of 674,433, making it the 19th most populous city in the U.S. The city's U.S. metropolitan area covers all of El Paso and Hudspeth counties, with a population of 831,036, and the El Paso metropolitan statistical area has a population of 1,044,496. Standing on the Rio Grande, El Paso is across the U.S./Mexico border from Juarez, Chihuahua, Mexico, and the two cities, along with Las Cruces, form a combined international metropolitan area, sometimes referred as the Paso del Norte or El Paso-Juare-Las Cruces, with over 2.7 million people. The El Paso-Juarez region is the largest bilingual, bi-national work force in the Western Hemisphere. The El Paso region has had human settlement for thousands of years, so the city is loaded with history and historic places. Also geographically interesting, the Franklin Mountains extend into El Paso from the north and nearly divide the city into two sections: the west side forming the beginnings of the Mesilla Valley and the east side expanding into the desert and lower valley. At an elevation of 3,800 feet above sea level, with the highest peak in the city being North Franklin Mountain at 7,192 feet above sea level, El Paso is also home to the 24,000-acre Franklin Mountains State Park, the largest urban park in the United States.