Marmaduke is located in Greene county Arkansas with a geographic area of 1.4 square miles. The total population in Marmaduke is 1,377 with 39.5% male and 60.5% female. Children under age 5 represent 4.5% of the population, under age 18 equal 26.3% of the population and over age 65 is 22.7% of the population. The median household income is $45,694, per capita income is $23,430. There are a total of 549 housing units with 48.8% owner occupied. Education includes 39.2% of residents that are high school graduates and 15.5% with a bachelor's degree or higher. The average temperature in Marmaduke in the summer is 79 degrees, and in the winter 37 degrees.
