Named after the Blanco River which traverses the county, Blanco County is located on the Edwards Plateau of Texas. The population of Blanco County is 10,497 according to the 2010 Census. The County was formed in 1858. Johnson City is the county seat; Blanco and Round Mountain are other major cities and towns within the county.
The Old Blanco County Courthouse is a Texas Historic Landmark and is located in downtown Blanco. The old courthouse is known for its architecture and stands as an example of small town spirit. The courthouse undergoes regular restoration efforts to maintain the historical elegance and architecture.
The Lyndon B. Johnson National Historical Park is also located in Blanco County.