Marksville is located in Avoyelles county Louisiana with a geographic area of 4.8 square miles. The total population in Marksville is 5,376 with 48.0% male and 52.0% female. Children under age 5 represent 5.1% of the population, under age 18 equal 24.2% of the population and over age 65 is 17.3% of the population. The median household income is $30,146, per capita income is $19,530. There are a total of 2,156 housing units with 46.9% owner occupied. Education includes 21.8% of residents that are high school graduates and 15.3% with a bachelor's degree or higher. The average temperature in Marksville in the summer is 81 degrees, and in the winter 51 degrees.