The population of the metro region is 4,005,015 . The city Cape Town demonym is Capetonian . The population of Cape Town is 433,688 . The density of  residents in Cape Town is 1,100/sq km  (2,800/sq mi) . The density of  people in  the metro region of Cape Town is 1,600/sq km  (4,200/sq mi)
Capetonian is another name for the people of the city Cape Town