Austin is the capital of the U.S. state of Texas and the seat of Travis
County, with portions extending into Hays and Williamson counties. It
is the 11th-most populous city in the United States and the 4th-most
populous city in Texas. It is the fastest growing large city in the
United States, the second most populous state capital after Phoenix,
Arizona, and the southernmost state capital in the contiguous 48 states.
As of the Census Bureau's July 1, 2016 estimate, Austin had a population
of 947,890, up from 790,491 at the 2010 census. Located in Central
Texas within the greater Texas Hill Country, the city is home to
numerous lakes, rivers, and waterways, including Lady Bird Lake,
Barton Springs, McKinney Falls, the Colorado River, Lake Travis,
and Lake Walter E. Long. It is the cultural and economic center of the
Austin–Round Rock metropolitan statistical area, which had an estimated
population of 2,056,405 as of July 1, 2016.