Decaturville, Missouri is an unincorporated community in Warren Township, Camden County. It is located on Route 5 9 miles (14 km) of Camdenton. The community was founded in 1854 and is named for Commodore Stephen Decatur Jr., (1779 – 1820), an American naval officer notable for his heroism in actions at Tripoli, Libya in the First Barbary War and the Second Barbary War and in the War of 1812.