Georgetown is a city in Texas and the county seat of Williamson County, Texas, United States. The population was 67,176 at the 2020 census. It is 30 miles (48 km) north of Austin. Georgetown has a notable range of Victorian commercial and residential architecture. In 1976, a local historic ordinance was passed to recognize and protect the significance of the historic central business district. In 1977, the Williamson County Courthouse Historical District, containing some 46 contributing structures, was listed on the National Register of Historic Places. Southwestern University is the oldest university in Texas. Founded in 1875 from four existing colleges, the oldest of which had been founded 35 years earlier, it is in Georgetown about one-half mile from the historic square. Georgetown is known as the "Red Poppy" Capital of Texas for the red poppy wildflowers planted throughout the city. Georgetown's Red Poppy Festival, which attracts tens of thousands of visitors annually, is held in April each year on the historic square.