Harkeyville, TexasHarkeyville is an unincorporated community in San Saba County, in the U.S. state of Texas. According to the Handbook of Texas, the community had a population of 12 in 2000.HistoryAn F1 tornado struck Harkeyville on January 20, 1973.GeographyHarkeyville is located north of U.S. Route 190, west of San Saba and northwest of Llano in central San Saba County.