Lexington is a city in Lafayette County, Missouri, United States. The population was 4,453 at the 2000 census. It is the county seat of Lafayette County. Located in western Missouri, Lexington lies about 40 miles east of Kansas City and is part of the Greater Kansas City Metropolitan Area. It is the home of the Battle of Lexington State Historic Site, and Wentworth Military Academy and College, the oldest military school west of the Mississippi River.
Lexington is located at 39°10′59″N 93°52′30″W / 39.18306°N 93.875°W / 39.18306; -93.875 (39.183060, -93.875070).342343456489705439. According to the United States Census Bureau, the city has a total area of 3.7 square miles (9.5 km²), of which, 3.5 square miles (9.0 km²) of it is land and 0.2 square miles (0.5 km²) of it (4.92%) is water.
As of the census of 2000, there were 4,453 people, 1,815 households, and 1,210 families residing in the city. The population density was 1,279.7 people per square mile (494.1/km²). There were 2,015 housing units at an average density of 579.1 per square mile (223.6/km²). The racial makeup of the city was 91.02% White, 6.04% African American, 0.18% Native American, 0.49% Asian, 0.04% Pacific Islander, 1.06% from other races, and 1.17% from two or more races. Hispanic or Latino of any race were 2.18% of the population.