Sweetwater, Tennessee

Sweetwater, Tennessee
Downtown area, September 2016
Location of Sweetwater in Monroe County and Mcminn County, Tennessee.
Coordinates: 35°36′10″N 84°28′18″W / 35.60278°N 84.47167°W / 35.60278; -84.47167
CountryUnited States
StateTennessee
CountiesMonroe and McMinn
Established1850s
Incorporated1875
Area
  Total
8.85 sq mi (22.92 km2)
  Land8.84 sq mi (22.89 km2)
  Water0.01 sq mi (0.03 km2)
Elevation
1,011 ft (308 m)
Population
 (2020)
  Total
6,312
  Density714.27/sq mi (275.79/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
37874
Area code423
FIPS code47-72540
GNIS feature ID2405553
Websitewww.sweetwatertn.net

Sweetwater is a city in Monroe and McMinn Counties in the U.S. state of Tennessee, and the most populous city in Monroe County. As of the 2020 census, its population was 6,312. Sweetwater is the home of the Craighead Caverns which contains the Lost Sea, the United States' largest underground lake. In 2022, TravelMag named Sweetwater one of Tennessee's "Ten Most Charming Cities".