Johnson City is a city located in Blanco County Texas. It is also the county seat of Blanco County. With a 2020 population of 2,235, it is the 572nd largest city in Texas and the 7200th largest city in the United States . Johnson City is currently growing at a rate of 2.38% annually and its population has increased by 34.96% since the most recent census, which recorded a population of 1,656 in 2010. Johnson City reached it's highest population of in . Spanning over 2 miles, Johnson City has a population density of 1,237 people per square mile.
The average household income in Johnson City is $59,338 with a poverty rate of 10.16%. The median rental costs in recent years comes to $904 per month, and the median house value is $178,800. The median age in Johnson City is 43.6 years, 41 years for males, and 45.8 years for females.