Van Buren /væn ˈbjʊərən/ is the second largest city in the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area and the county seat of Crawford County, Arkansas, United States. The city is located directly northeast of Fort Smith at the Interstate 40 - Interstate 540 junction. The city was incorporated in 1845 and as of the 2010 census had a population of 22,791, ranking it as the state's 22nd largest city, behind Searcy.