Van Buren is a city located in the U.S. state of Arkansas. It is the county seat of Crawford County and the 2nd largest city in Fort Smith. Van Buren is part of the Arkansas-Oklahoma Metropolitan Statistical Area. It has a total area of 16.22 square miles at 35°26′40″N 94°20′48″W. The elevation is 401 feet above sea level. As of the 2010 census data, it had a total population of 22,791. The population density was 1,520.50/sq mi. Estimated per capita income in 2016 was $21,785. It has Zip code 72956.