ABOUT
Johnson City is a city in Blanco County, Texas, United States. The population was 1,656 at the 2010 census.
History
Johnson City was the hometown of President Lyndon Johnson and was founded by James Polk Johnson, nephew of Samuel Ealy Johnson, Sr. and uncle to President Johnson. James Polk Johnson donated a 320-acre (130 ha) site on the Pedernales River for the founding of the town in 1879.The county seat of Blanco County was moved to Johnson City in 1890.