Lexington is located in Davidson county North carolina with a geographic area of 18.0 square miles. The total population in Lexington is 18,970 with 49.2% male and 50.8% female. Children under age 5 represent 9.0% of the population, under age 18 equal 23.2% of the population and over age 65 is 16.0% of the population. The median household income is $30,366, per capita income is $17,465. There are a total of 7,654 housing units with 40.1% owner occupied. Education includes 31.7% of residents that are high school graduates and 15.7% with a bachelor's degree or higher. The average temperature in Lexington in the summer is 76 degrees, and in the winter 38 degrees.