Texhoma is a town in Texas County, Oklahoma, United States. The population was 596 at the 2020 census. Texhoma is a divided city with the Texas–Oklahoma state border separating the town from Texhoma, Texas. The name of the town is a portmanteau of Texas and Oklahoma. Founded around the Rock Island Railroad laying tracks through the area, muc…Texhoma is a town in Texas County, Oklahoma, United States. The population was 596 at the 2020 census. Texhoma is a divided city with the Texas–Oklahoma state border separating the town from Texhoma, Texas. The name of the town is a portmanteau of Texas and Oklahoma. Founded around the Rock Island Railroad laying tracks through the area, much of the town's local economy is from ranching and livestock.