what is the county for blanco, texas
Blanco County, Texas. Blanco County (/ËblÃ¦nkoÊ/ BLANK-oh) is a county located on the Edwards Plateau in the U.S. state of Texas. As of the 2010 census, the population was 10,497. Its county seat is Johnson City. The county is named for the Blanco River which traverses the county.