The 2016 Johnson City, Tennessee, population is 66,027. There are 1,526 people per square mile (population density).
The median age is 36.4. The US median is 37.4. 45.52% of people in Johnson City, Tennessee, are married. 13.33% are divorced.
The average household size is 2.21 people. 26.71% of people are married, with children. 18.33% have children, but are single.
83.88% of people are white, 6.81% are black, 2.39% are asian, 0.32% are native american, and 0.02% claim 'Other'.
4.17% of the people in Johnson City, Tennessee, claim hispanic ethnicity (meaning 95.84% are non-hispanic).