Austin ( pronunciation ) (/ˈɒstɨn/ or /ˈɔːstɨn/) is the capital of the US state of Texas and the seat of Travis County. Located in Central Texas, Austin is the 11th-most populous city in the United States and the fourth-most populous city in Texas. It was the third-fastest-growing large city in the nation from 2000 to 2006. Austin is also the second largest state capital in the United States, after Phoenix, Arizona. Austin had a July 1, 2013 population of 885,400 (U.S. Census Bureau estimate).