 The city was founded at a railroad intersection on December 8, 1873, and was incorporated in Arkansas on August 10, 1880.Texarkana (together with its Texas counterpart) is the principal city of the Texarkana metropolitan area, which is ranked 274th in terms of population in the United States with 150,098 in 2016 according to the United States Census Bureau.Located within the Ark-La-Tex subregion of Southwest Arkansas, Texarkana is located in the Piney Woods, an oak-hickory forest atop the flat Gulf Coastal Plain.