Horizon City, TexasWhere is Horizon City, Texas?Horizon City, Texas is located at Latitude 31.670082 and Longitude -106.191297. Please explore this site for detailed population, demographic and housing data for Horizon City, Texas. JavaScript must be enabled in order for you to use Google Maps. However, it seems JavaScript is either disabled or not supported by your browser. To view Google Maps, enable JavaScript by changing your browser options, and then try again.