GARDEN RIDGE, TEXAS. Garden Ridge is on Interstate Highway 35 near the Bexar and Guadalupe county lines twelve miles southwest of New Braunfels in Comal County. When the community was incorporated on April 4, 1972, it became the first new town in the county in 127 years. It had a population of 230 in 1972 and 647 in 1980. In 1990 Garden Ridge, probably due to its location in the area of heavy growth between San Antonio and Austin, had a population of 1,450.