Texarkana is a city in Bowie County, Texas, United States, located in the Ark-La-Tex region. Together with neighboring Texarkana, Arkansas, it forms the community of Texarkana. The population of the Texas city was 36,411 at the 2010 census. The city and its Arkansas counterpart form the core of the Texarkana, Texas–Texarkana, Arkansas Metropolitan Statistical Area, encompassing all of Bowie County, Texas, and Miller County, Arkansas.