Dallas County is a county located in the U.S. state of Arkansas. As of the 2010 census, the population was 8,116, making it the fourth-least populous county in Arkansas. The county seat is Fordyce. Dallas County is Arkansas's 49th county, formed on January 1, 1845, and named for George M. Dallas, Vice President of the United States.GeographyAccording to the U.S. Census Bureau, the county has a total area of, of which is land and (0.1%) is water.Major highways20px U.S. Highway 7925px U.S. Highway 16720px Highway 720px Highway 820px Highway 920px Highway 4620px Highway 48
