Elizabethton is a city in, and the county seat of Carter County, Tennessee, United States. Elizabethton is the historical site of the first independent American government (known as the Watauga Association, created in 1772) located west of both the Eastern Continental Divide and the original Thirteen Colonies.
The city is also the historical site of the Transylvania Purchase (1775), a major muster site during the American Revolutionary War for both the Battle of Musgrove Mill (1780) and the Battle of Kings Mountain (1780). It was within the secessionist North Carolina "State of Franklin" territory (1784–1788).
The population of Elizabethton was enumerated at 14,176 during the 2010 census.
Elizabethton is located within the "Tri-Cities" area (encompassed by Bristol, Johnson City, and Kingsport) of northeast Tennessee.
Time offset from Coordinated Universal Time (UTC): UTC-5 (Eastern Time).
According to the United States Census Bureau, the city has a total area of 9.9 square miles (25.6 km2), of which 9.7 square miles (25.2 km2) is land and 0.2 square miles (0.4 km2), or 1.62%, is water.
The elevation at Elizabethton Municipal Airport is 1,593 feet (486 m) ASL (the highest point of elevation in Carter County is at Roan Mountain with an elevation of 6,285 feet (1,916 m) ASL), and the airport is located on the eastern side of the city along State Highway 91 Stoney Creek Exit. Elizabethton is also connected to larger commercial, shuttle, and cargo flights out of Tri-Cities Regional Airport northwest of Johnson City.
Lynn Mountain reaches 2,060 feet (630 m) ASL at the summit (36.350°N, 82.191°W) and is located directly across the U.S. Highway 19E from the downtown Elizabethton business district.
Elizabethton is bordered on the west by Johnson City.
While most of the Tennessee public water-supply systems withdrawing spring water for their supplies are found in East Tennessee, the Elizabethton municipal water system during 2010 extracted and distributed 5.39 Mgal/d of clean spring water from three springs owned by the city --- a unique local supply of flowing spring water that greatly exceeds the volume of spring water extracted and distributed than any other local water resource system across the entire state of Tennessee.
The Doe River forms in Carter County, Tennessee, near the North Carolina line, just south of Roan Mountain State Park.