Lexington is a city in Henderson County, Tennessee, United States. Lexington is midway between Memphis and Nashville, lying ten miles (16 km) south of Interstate 40, which connects the two cities. The population was 7,393 at the 2000 census. It is the county seat of Henderson County. Lexington was the birthplace of Sam "The Man" Taylor, a noted saxophonist.
According to the United States Census Bureau, the city has a total area of 11.7 square miles (30.3 km²), of which 11.5 square miles (29.9 km²) is land and 0.2 square mile (0.4 km²) (1.45%) is water. Lexington is six miles (10 km) south of Natchez Trace State Park.
As of the census of 2010, there were 7,473 people, 3,039 households, and 2,036 families residing in the city. The population density was 640.4 people per square mile (247.4/km²). There were 3,371 housing units at an average density of 292.0 per square mile (112.8/km²). The racial makeup of the city was 84.50% White, 13.07% African American, 0.14% Native American, 0.26% Asian, 0.03% Pacific Islander, 0.42% from other races, and 1.60% from two or more races. Hispanic or Latino of any race were 1.18% of the population.