Johnson City is a city in U.S. territory of Tennessee. As of the 2010 statistics, the number of inhabitants in Johnson City was 63,152,6 and by 2015 the evaluated populace was 66,027, making it the ninth-biggest city in the state.Johnson City is positioned the 65 "Best Small Place for Business and Careers" in the USA by Forbes,8 and 5 in Kiplinger's rundown of "The 10 Least-Expensive Cities For Living in the U.S.A." expressing the ease of living is credited to moderate homes and underneath normal utility, transportation and human services costs.According to the United States Census Bureau, the city has a zone of 43.3 square miles 112.1 km2, of which 42.9 square miles 111.2 km2 is arrive and 0.3 square miles 0.8 km2, or 0.75 percent, is water.