Johnson City is a city in Washington County and a small part of the city is located within Sullivan County, Tennessee, to the northeast and Carter County, Tennessee, to the southeast.  The community was named after the first mayor, Henry Johnson. Located in the Appalachian Mountains, Johnson City covers a total area of 102.5 km² (39.6 mi²). 101.7 km² (39.3 mi²) of it is land and 0.8 km² (0.3 mi²) of it (0.78%) is water.

Johnson City enjoys a pleasant climate with cool summers and mild winters. Spring and autumn are truly breathtaking. The average summer temperature is 80° F while the average winter temperature 38° F,

Elevation: 1635 feet

Land area: 39.3 square miles

Latitude: 36.34 N

Longitude: 82.37 W

Population: 58,718 as on 2005

Attractions:

• Buffalo Mountain Park
• B. Carroll Reece Museum
• Hands On! Regional Museum
• Massengill Museum of Over mountain History
• Rocky Mount
• Tipton-Haynes State Historic Site