Van Buren 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 2020 census had a population of 23,218, ranking it as the state's 21st largest city. According to 2023 population estimates from the U.S. Census Bureau, Van Buren’s population is 24,138.