Johnson City
- County:
- Blanco County
- County Seat:
- Yes
- Area (mi²):
- 1.951
- State:
- Texas
Johnson City is a city located in Blanco County, Texas. Johnson City has a 2026 population of 2,092. It is also the county seat of Blanco County. Johnson City is currently growing at a rate of 2.2% annually and its population has increased by 18.06% since the most recent census, which recorded a population of 1,772 in 2020.