Ashdown (formerly Turkey Flats and Keller) is a city in Little River County, Arkansas, United States. The community was incorporated in 1892 and has been the county seat since 1906. Located within the Arkansas Timberlands between the Little River and the Red River, Ashdown's economy and development have historically been tied to the timber industry, a trend that continues to this day. Ashdown's population at the 2010 census was 4,723, a slight decrease from the 2000 census. The city's well-preserved history and proximity to outdoor recreation such as Millwood State Park draws tourists to the area. Although not within the Texarkana metropolitan area, the city's proximity to Texarkana impacts many areas of life in Ashdown.