Huntington is a city in Sebastian County, Arkansas, United States. It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area. …Huntington is a city in Sebastian County, Arkansas, United States. It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area. As of the 2010 Census the population was 635. Huntington began as a coal mining town. In 1887, The Missouri, Kansas, & Texas Coal Company surveyed the site and selected it as a townsite because coal was around the site, but not directly beneath it. The town was incorporated on February 4, 1888. The town was named after J. B. Huntington, a well-liked mine superintendent, who died after his horse jumped from a bridge over Cherokee Creek.