 Austin–Round Rock–Georgetown is the 29th largest metropolitan area in the United States, with a population of 2,227,083 people and 16th largest GDP per Capita as of the 2019 U.S. census estimate.The metropolitan area is centered on the City of Austin—the fourth-largest city in Texas and the 11th-largest city in the United States with a population of 978,908 people.Austin's largest suburbs are Round Rock, Cedar Park, Georgetown, San Marcos and Pflugerville.