Johnson City, TX

ZIP code 78636 covers Johnson City and surrounding rural areas in Blanco County, Texas, within the Texas Hill Country. Notable sites include the Johnson City district of Lyndon B. Johnson National Historical Park, with LBJ’s boyhood home and the Johnson Settlement; the Science Mill, a hands-on science museum; the historic Blanco County Courthouse; and Pedernales Falls State Park, known for limestone formations along the Pedernales River.