Ashdown 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. Timber is still a major industry here. Ashdown's population at the 2010 census was 4,723, a slight decrease from the 2000 census.