Cedar Creek is an unincorporated community in Bastrop County, Texas, United States, located 11 miles west of Bastrop at the intersection of State Highway 21 and Farm to Market Road 535. Although it is unincorporated, Cedar Creek has a post office, with a ZIP code of 78612. The community takes its name from a tributary of the Colorado River named Cedar Creek.The 405-acre Hyatt Regency Lost Pines Resort is located in Cedar Creek.