Round Rock is a city in Travis and Williamson counties in the U.S. state of Texas. It is part of the Austin–Round Rock–San Marcos metropolitan area. The 2010 census places the population at 99,887. The city straddles both sides of the Balcones Escarpment, a fault line in which the areas roughly east of IH-35 are flat and characterized by having black, fertile soils of the Blackland Prairie, and the west side of the Escarpment which consists mostly of hilly, karst-like terrain with little topsoil and higher elevations and which is part of the Texas Hill Country. Located about 20 miles north...
|County:||Williamson County, Travis County|
|Area:||26.3 sq. mi.|
|Time zone:||Central Time Zone|
|Also known as:||Round Rock, Texas, Williamson County / Round Rock city|