Lexington is located in Lee county Texas with a geographic area of 1.2 square miles. The total population in Lexington is 1,261 with 43.3% male and 56.7% female. Children under age 5 represent 5.9% of the population, under age 18 equal 17.8% of the population and over age 65 is 23.4% of the population. The median household income is $47,404, per capita income is $24,644. There are a total of 492 housing units with 73.4% owner occupied. Education includes 49.2% of residents that are high school graduates and 6.3% with a bachelor's degree or higher. The average temperature in Lexington in the summer is 83 degrees, and in the winter 49 degrees.