Lyon is located in Coahoma county Mississippi with a geographic area of 0.5 square miles. The total population in Lyon is 439 with 32.3% male and 67.7% female. Children under age 5 represent 5.9% of the population, under age 18 equal 17.3% of the population and over age 65 is 18.7% of the population. The median household income is $61,818, per capita income is $32,638. There are a total of 200 housing units with 63.0% owner occupied. Education includes 14.5% of residents that are high school graduates and 46.5% with a bachelor's degree or higher. The average temperature in Lyon in the summer is 79 degrees, and in the winter 44 degrees.