San Marcos is a city and the county seat of Hays County, Texas, United States. The city's limits extend into Caldwell and Guadalupe counties, as well. San Marcos is within the Austin–Round Rock–San Marcos metropolitan area and on the Interstate 35 corridor between Austin and San Antonio
San Marcos has a population of over 66,583 people. San Marcos also forms part of the Greater Austin metropolitan area which has a population of over 2,227,083 people.
Air Traffic Control | Fruit and Vegetable Canning | Peanut Farming | Rubber and Plastics Hoses and Belting Manufacturing | Other Animal Food Manufacturing | Photofinishing Laboratories | All Other Information Services | Small Electrical Appliance Manufacturing | Golf Courses and Country Clubs | Newspaper Publishers