Travis County, Texas

Travis County is a county in south central Texas. The population was 1,024,266 at the 2010 census. The estimated population in 2014 was 1,151,145 people. It is the fifth-most populous county in Texas. Its county seat is Austin. Austin is also known as the capital of Texas.
The county was established in 1840. It is named for William Barret Travis. Travis was the commander of the Republic of Texas at the Battle of the Alamo.
Travis County is part of the Austin-Round Rock Metropolitan Statistical Area. It is located along the Balcones Fault.  The physical boundaries of Austin are the Edwards Plateau to the west and the Blackland Prairie to the east.