Marmaduke is a city in UnitedStates. We will give some information about Marmaduke.  For example population, location and elevation. You can click below if wonder about location. Location. Additional information about Marmaduke is population. The population of Marmaduke is 1206. Correct location numbers are 36.1894386, -90.3856943. Geographic information of Marmaduke. We will inform you below. […]