- Torreon is a city located in the state of Coahuila in northern Mexico. It is the second-largest city in the state and has a population of approximately 679,288 people. Torreon is known for its industrial and agricultural activities, particularly in the automotive, textile, and food processing sectors. The city has a semi-arid climate and is surrounded by desert landscapes. Torreon is also home to several cultural and historical attractions, including museums, theaters, and a vibrant nightlife.